Knowledge (XXG)

Red knot

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shorebirds" flying “9300 miles from south to north every spring and repeat the trip in reverse every autumn”. Northern hemisphere winters are spent in Tierra del Fuego South America and migration routes lead to breeding locations on islands and mainland above the Arctic circle during the short arctic summer. These long expeditions are broken into various segments about 1500 miles each ending at staging areas that are visited yearly. Specifically, the Delaware Bay is the most vital migratory rest stop for the red knot, as much of their physiological demands are met by consuming the abundance of horseshoe crab eggs as their main food source during migration. The relationship between red knot and horseshoe crab is evolutionarily intertwined as “their arrival coincides with the annual horseshoe crab spawning in the Delaware Bay”. Data supports the hypothesis that abundance of horseshoe crab eggs on beaches such as in the Delaware Bay drive movement and distribution of red knots, and the number of horseshoe crabs in the Delaware Bay characterize its importance/ relevance to their migration route. Other stopover spots in the US include islands off the coast of Massachusetts, Virginia, South Carolina, and Georgia. Fewer red knots undergo overland migration routes and winter on the Gulf Coast. Stopover areas on this route are found in the Mississippi river drainage, Northern U.S. saline lakes, and plains in Southern Canada.
1144:, coastal erosion, and general warming temperatures due to global warming destroy the ideal breeding habitats for the red knot in these arctic coastal regions. Migratory animals by nature have adapted to various environments. Subsequently, rapid and complex responses to climate change are prominent and in the case of the red knot in the recent changing climate, evolutionarily damaging. As arctic breeding grounds continue to warm, red knot body size has decreased, and less success for survival of birds born in warmer years is reported. Even more significantly, their wintering areas in the tropics have become more stabilized, resulting in shorter bill birds (likely due to the fact that stable conditions breed greater ecological success and less variability within species). Consequently, knots struggle to reach their main food sources which include deeply buried mollusks, adding to lesser access to food as well as more expenditure of energy in attempting to attain food. 1092:
stopover sites extremely thin. Since the gizzard is shrunken for their travel, fewer hard foods are eaten and instead soft and nutritious horseshoe crab eggs are the desired food source. As the migration is timed with the release of eggs, they are widely available in these specific stop over locations, making the resource easy to locate and digest, saving the birds energy. Thus, the abundance and accessibility of horseshoe crab eggs at these specific locations justify their intertwined relationship. Body weight may be up to doubled during stopover stays lasting around 10–14 days from constant consumption of food to increase their body fat enough to continue the remainder of their trip. The abundant horseshoe crab population inhabiting the Delaware bay deems it the most important stopover habitat in the red knots migration “supporting an estimated 50 to 80 percent of all migrating rufa red knots each year”.
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early 20th century, and currently are harvested for bait usage by U.S. fishing companies. Horseshoe crab populations took a toll, and red knot population “numbers in Tierra del Fuego (winter) and Delaware bay (spring) declined about 75 percent from 1980s to 2000s”. Overharvesting of the crabs in the 1990s provoked the action for population management by the Atlantic States Marine Fisheries Commission to establish “mandatory state-by state harvest quotas and the 1,500-square-mile Carl N. Shuster Jr. Horseshoe Crab Sanctuary off the mouth of Delaware bay.” Subsequently, commercial horseshoe crab bait use has been reduced by population management and innovative bait conservation techniques, and a correlated stabilization in knot populations has been recorded as well.
42: 848: 1028: 108: 59: 1014: 710: 83: 234: 733:, then migrates to coasts around the world from 50° N to 58° S. The red knot has one of the longest migrations of any bird. Every year it travels more than 9,000 mi (14,000 km) from the Arctic to the southern tip of South America and repeats the trip in reverse. The exact migration routes and wintering grounds of individual subspecies are still somewhat uncertain. The nominate race 1164:, state and local agencies are taking steps to protect these birds by limiting horseshoe crab harvesting and restricting beach access. In Delaware, a two-year ban on the harvesting of horseshoe crabs was enacted but struck down by a judge who cited insufficient evidence to justify the potential disruption to the fishing industry but a male-only harvest has been in place in recent years. 1059:. Males construct three to five nest scrapes in their territories prior to the arrival of the females. The female lays three or more usually four eggs, apparently laid over the course of six days. The eggs measure 43 mm Ă— 30 mm (1.7 in Ă— 1.2 in) in size and are ground coloured, light olive to deep olive buff, with a slight gloss. Both parents 1104:
The red knot has an extensive range, estimated at 100,000–1,000,000 km (39,000–386,000 sq mi), and a large population of about 1.1 million individuals. The species is not believed to approach the thresholds for the population decline criterion of the IUCN Red List (i.e., declining more
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Late in the fall of 2014, the red knot rufa was listed as a federally threatened species under the United States Endangered Species Act – the second most critical status that can be awarded to a subspecies. This followed a decade of intensive petitioning by environmental groups and a lawsuit against
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Indirect threats including horseshoe crab over harvesting and climate change greatly threaten red knot populations. Issues such as climate change may be harder to immediately/directly alter, yet limiting horseshoe crab harvest and human disturbance to protect knot food sources and migratory/breeding
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Because of the interrelatedness between horseshoe crab egg abundance and red knot viability, the health of the horseshoe crab population is increasingly relevant in the discussion of red knot population fluctuation and success. Horseshoe crabs were harvested for fertilizer and to feed animals in the
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the eggs, sharing the duties equally. The off duty parent forages in flocks with others of the same species. The incubation period lasting around 22 days. At early stages of incubation the adults are easily flushed from the nest by the presence of humans near the nest, and may not return for several
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While feeding in mudflats during the winter and migration red knots are tactile feeders, probing for unseen prey in the mud. Their feeding techniques include the use of shallow probes into the mud while pacing along the shore. When the tide is ebbing, they tend to peck at the surface and in soft mud
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Red knot populations are greatly affected by climate change since middle and high arctic habitats are necessary for breeding. Higher latitudes and coastal areas where red knots breed and winter are most affected by climate change. Nesting sites are generally on open ground in the tundra near water.
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at hatching, covered in downy cryptic feathers. The chicks and the parents move away from the nest within a day of hatching and begin foraging with their parents. The female leaves before the young fledge while the males stay on. After the young have fledged, the male begins his migration south and
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for alleged negligence in the protection of endangered species through failure to evaluate and list them. The reasons for the red knot rufa's listing were varied; habitat degradation, loss of key food supplies, and threats posed by climate change and sea level rise were all listed as factors that
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is not panoramic (allowing for an almost 360 degree field of view), as during the short breeding season they switch to being visual hunters of mobile, unconcealed prey, which are obtained by pecking. Pecking is also used to obtain some surface foods in the wintering and migratory feeding grounds,
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The weight varies with subspecies, but ranges between 100 and 200 g (3.5 and 7.1 oz). Red knots can double their weight prior to migration. Like many migratory birds they also reduce the size of their digestive organs prior to migration. The extent of the atrophy is not as pronounced as
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Juvenile birds have distinctive submarginal lines and brown coverts during the first year. In the breeding season the males can be separated with difficulty (<80% accuracy in comparison to molecular methods) based on the more even shade of the red underparts that extend towards the rear of the
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Red knots undergo various physiological changes before their migration to account for the physical demand of the long expedition: “flight muscle mass increases, while leg muscle mass decreases. Stomach and gizzard masses decrease, while fat mass increases by more than 50 percent”. They arrive at
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towards their breeding locales from year to year, but there is no evidence as to whether they exhibit territorial fidelity. Males arrive before females after migration and begin defending territories. As soon as males arrive, they begin displaying, and aggressively defending their territory from
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becomes uniformly pale grey, and is similar between the sexes. The alternate, or breeding, plumage is mottled grey on top with a cinnamon face, throat and breast and light-coloured rear belly. The alternate plumage of females is similar to that of the male except it is slightly lighter and the
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As one of the “longest-distance migrants in the animal kingdom,” the red knot relies heavily on the same stopping sites each year along their migratory routes to refuel their bodies for completing their migrations to and from breeding sites. Red knots travel “in larger flocks than do most
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The large size, white wing bar and grey rump and tail make it easy to identify in flight. When feeding the short dark green legs give it a characteristic 'low-slung' appearance. When foraging singly, they rarely call, but when flying in a flock they make a low monosyllabic
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Birds wintering in west Africa were found to restrict their daily foraging to a range of just 2–16 km (0.77–6.18 sq mi) of intertidal area and roosted a single site for several months. In temperate regions such as the
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increases in thickness when feeding on harder foods on the wintering ground and decreases in size while feeding on softer foods in the breeding grounds. These changes can be very rapid, occurring in as little as six days.
1124: 4268: 992:, a rich, easily digestible food source, which spawn just as the birds arrive in spring. They are able to detect molluscs buried under wet sand from changes in the pressure of water that they sense using 2317:
Van Gils, Jan A.; Lisovski, Simeon; Lok, Tamar; Meissner, WĹ‚odzimierz; OĹĽarowska, Agnieszka; De Fouw, Jimmy; Rakhimberdiev, Eldar; Soloviev, Mikhail Y.; Piersma, Theunis; Klaassen, Marcel (2016).
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In 2003, scientists projected that at its current rate of decline the American subspecies, rufa, might become extinct as early as 2010, but as of April 2011 the subspecies is still
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is the lightest in overall plumage. The transition from alternate to basic plumages begins at the breeding site but is most pronounced during the southwards migration. The
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Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Tomus I. Editio decima, reformata
958:, arthropods, larvae, and some plant material obtained by surface pecking, and on the wintering and migratory grounds they eat a variety of hard-shelled prey such as 4408: 1693: 4744: 1064:
hours after being flushed. However, in later stages of incubation they will stay fast on the eggs. Hatching of the clutch is usually synchronised. The chicks are
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is the most basal population, separating about 20,000 years ago (95% confidence interval: 60,000–4,000 years ago) with two distinct lineages of the American and
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they have been found to change roost sites each week and their feeding range may be as much as 800 km (310 sq mi) during the course of a week.
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Piersma, T.; van Gils, J.; Wiersma, P. (1996). "Scolopacidae (Sandpipers and Allies)". In Josep, del Hoyo; Andrew, Sargatal; Jordi, Christie (eds.).
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Male knots prepare 3–5 sites for nests on “normally dry, stony areas of tundra in upland areas, often near ridges and not far from wetlands”. Thus,
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are the preferred food items at the breeding grounds, while various hard-shelled molluscs are consumed at other feeding sites at other times.
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to alternate plumage begins just prior to the northwards migration to the breeding grounds, but is mostly during the migration period.
4382: 4307: 1414: 2557: 2072: 1977: 1428: 1361: 1300: 1252: 2679: 4774: 4716: 4623: 920:. The display includes circling high with quivering wing beats and tumbling to the ground with the wings held upward. Both sexes 632: 1887:"Phenotypic Flexibility during Migration: Optimization of Organ Size Contingent on the Risks and Rewards of Fueling and Flight?" 1043:; it is unknown if pairs remain together from season to season. Males and females breeding in Russia have been shown to exhibit 4764: 4320: 660: 648: 374: 263: 223: 4708: 4439: 2606: 2517: 1119:
in the Dutch Wadden Sea. The quality of food at migratory stopover sites is a critical factor in their migration strategy.
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they may probe and plough forward with the bill inserted to about 1 cm (0.39 in) in depth. The bivalved mollusc
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18,000 to 22,000 years ago; the opening of the ice-free corridor in North America 12,000 to 14,000 years ago; and the
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is their preferred prey on European coasts, swallowing them whole and breaking them up in their gizzard. In
863:. The body shape is typical for the genus, with a small head and eyes, a short neck and a slightly tapering 1109:. However many local declines have been noted such as the dredging of intertidal flats for edible cockles ( 867:
that is no longer than its head. It has short dark legs and a medium thin dark bill. The winter, or basic,
4504: 4193: 4086: 3707: 3314: 3305: 3224: 3206: 3161: 2973: 2181:"A new pressure sensory mechanism for prey detection in birds: the use of principles of seabed dynamics?" 1976:
Piersma, Theunis; Dietz, M.W.; Dekinga, A.; Nebel, S.; van Gils, J.A.; Battley, P.F.; Spaans, B. (1999).
392:. There appears to be no historical foundation for this etymology. Another etymology is that the name is 4584: 4224: 3716: 2982: 2777: 2386:. USFWS Northeast Region Division of External Affairs. Northeast Region, U.S. Fish and Wildlife Service. 202: 4162: 4124: 3477: 1216: 1021: 4721: 2400: 1911: 1862: 1684: 1555: 4628: 4524: 4294: 4175: 4144: 4002: 3468: 3188: 3119: 2673: 2333: 2095: 2037: 1568: 993: 782: 757:
in eastern Siberia, and winters in eastern Australia and New Zealand. Small and declining numbers of
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breeders emerging about 12,000 years ago (with a 95% confidence interval: 45,000–3,500 years ago).
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Baker, Allan; Gonzalez, Patricia; Morrison, R.I.G.; Harrington, Brian A. (2013). Poole, A. (ed.).
4206: 3844: 3624: 3588: 3260: 2946: 2937: 2910: 2357: 2053: 1916: 1867: 1740: 1560: 1111: 1036: 246: 102: 4589: 3966: 3939: 1420: 916:. They breed in the moist tundra during June to August. The display song of the male is a fluty 859:
sandpiper, measuring 23–26 cm (9.1–10.2 in) long with a 47–53 cm (19–21 in)
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Prater, A.J. (1972). "The Ecology of Morecambe Bay. III. The Food and Feeding Habits of Knot (
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Population relatedness and divergence. The diversification events may be associated with the
4576: 4020: 3948: 3543: 3501: 3323: 3242: 3215: 3034: 2878: 2804: 2750: 2489: 2481: 2440: 2430: 2341: 2251: 2243: 2203: 2195: 2103: 2045: 1950: 1906: 1898: 1857: 1849: 1808: 1732: 1550: 1542: 1506: 1469: 1459: 1211: 1060: 921: 738: 690: 346: 4610: 4198: 2593: 2319:"Body shrinkage due to Arctic warming reduces red knot fitness in tropical wintering range" 2179:
Piersma, Theunis; van Aelst, Renee; Kurk, Karin; Berkhoudt, Herman; Maas, Leo R.M. (1998).
1027: 58: 4532: 3725: 3642: 3633: 3606: 3427: 3332: 3278: 3233: 3104: 3095: 2919: 2835: 2741: 2417:
van Gils, Jan A.; Piersma, Theunis; Dekinga, Anne; Spaans, Bernard; Kraan, Casper (2006).
672: 159: 87: 4149: 2318: 1992: 1935: 1193: 2419:"Shellfish Dredging Pushes a Flexible Avian Top Predator out of a Marine Protected Area" 2337: 2123: 2099: 2041: 4346: 4333: 4011: 3930: 3820: 3784: 3561: 3287: 3025: 2494: 2469: 2445: 2418: 2256: 2231: 2208: 1141: 989: 790: 770: 746: 742: 385: 338: 334: 1474: 1445: 1013: 924:
the eggs, but the female leaves parental care to the male once the eggs have hatched.
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Knot populations appear to have stabilized in recent years, though at low levels.
726: 4325: 4234: 2435: 4597: 4478: 4460: 4395: 4118: 4038: 3993: 3957: 3296: 2719:– an international team of biologists who monitor red knots and other shorebirds 1625: 1528:"Population divergence times and historical demography in red knots and dunlins" 1353:
Handbook of Australian, New Zealand and Antarctic Birds Vol. 3: Snipe to Pigeons
1317: 354: 4211: 2734:– links to shorebird recovery sites, movies, events and other info on red knot 2658: 1796: 233: 4636: 3975: 3894: 3675: 3359: 3170: 2667: 2607:"ASMFC Horseshoe Crab and Delaware Bay Ecosystem Technical Committees Meeting" 1736: 1161: 1044: 832: 826: 611: 583: 326: 319: 315: 2554:
Agreement on the conservation of African-Eurasian migratory Waterbirds (AEWA)
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Agreement on the conservation of African-Eurasian migratory Waterbirds (AEWA)
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than 30% in ten years or three generations), and is therefore evaluated as
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van Gils, Jan A.; Battley, Phil F.; Piersma, Theunis; Drent, Rudi (2005).
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Leyrer, Jutta; Spaans, Bernard; Camara, Mohamed; Piersma, Theunis (2006).
388:; the name would refer to the knot's foraging along the tide line and the 4662: 4103: 3740: 3368: 3152: 2823: 2716: 2706: 959: 860: 718: 698: 600: 591: 310: 179: 139: 4185: 1511: 1277:
T. roftro laevi, pedibus cinerascentibus, remigibus primoribus ferratis.
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Distribution and migration routes of the six subspecies of the red knot
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Agreement on the Conservation of African-Eurasian Migratory Waterbirds
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The red knot nests on the ground, near water, and usually inland. The
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Dictionary of Birds of the United States: Scientific and Common Names
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winter in the coastal marshes of Britain, along with other waders.
4281: 2726: 2701: 1356:. Melbourne, Victoria: Oxford University Press. pp. 224–232. 1026: 1012: 846: 835:, also known as Moonbird, is a noted individual of the subspecies 813:
breeds in the Canadian low Arctic, and winters South America, and
774: 708: 587: 289: 4299: 1655:"Population, status, moult, measurements, and subspecies of Knot 689:
Studies based on mitochondrial sequence divergence and models of
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Buehler, Deborah M.; Baker, Allan J.; Piersma, Theunis (2006).
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Shorebirds: an identification guide to the waders of the world
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sites are effective methods of conservation for the red knot.
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and that the closest relative of the two knot species is the
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Dekinga, A.; Dietz, M.W.; Koolhaas, A.; Piersma, T. (2001).
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Thomas, Gavin H.; Wills, Matthew A.; Székely, Tamás (2004).
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Handbook of the Birds of the World Volume 3, Hoatzin to Auks
2635:"Species Profile for Red Knot (Calidris canutus ssp. rufa)" 2547:"Annex 3: Waterbird species to which the Agreement applies" 2518:"Annex 2: Waterbird species to which the Agreement applies" 1547:
10.1650/0010-5422(2005)107[0497:PDTAHD]2.0.CO;2
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that are ingested whole and crushed by a muscular stomach.
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Red Knot – An Imperiled Migratory Shorebird in New Jersey
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Boere, G.C.; Galbraith, C.A.; Stroud, D.A., eds. (2006).
1714:"Small home ranges and high site fidelity in red knots ( 357:. This species forms enormous flocks when not breeding. 341:
to coastal areas in Europe and South America, while the
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Proceedings of the Royal Society B: Biological Sciences
1275:(in Latin). Holmiae. (Laurentii Salvii). p. 149. 2731: 1243:
Marchant, John; Hayman, Peter; Prater, Tony (1986).
4652: 4093: 3875: 3833: 3738: 3688: 3666: 3659: 3523: 3490: 3440: 3418: 3411: 3150: 3117: 3076: 3069: 3006: 2999: 2891: 2869: 2862: 1833:Baker, A.J.; Piersma, T.; Greenslade, A.D. (1999). 1173:were considered when the red knot rufa was listed. 1069:the young make their first migration on their own. 1055:is a shallow scrape lined with leaves, lichens and 586:were originally the only two species placed in the 2156:"Northeast Region, U.S. Fish and Wildlife Service" 1760:"Globe-spanning bird B95 is back for another year" 1350:Higgins, Peter J.; Davies, S.J.J.F., eds. (1996). 1316: 1217:10.2305/IUCN.UK.2018-2.RLTS.T22693363A132285482.en 2407:. U.S. Fish & Wildlife Service. February 2004 996:in their bill. Unlike many tactile feeders their 1087:Dependence on horseshoe crab eggs as food source 2685:– USGS Patuxent Bird Identification InfoCenter 2596:. All About Birds, Cornell Lab of Ornithology. 1835:"Molecular vs. phenotypic sexing in red knots" 1295:. Portland, Oregon: Timber Press. p. 50. 1247:. Boston: Houghton Mifflin. pp. 363–364. 1115:) which led to reductions in the wintering of 817:breeds in the Canadian high Arctic as well as 749:and then down to western and southern Africa. 2785: 1848:(4). Cooper Ornithological Society: 887–893. 1718:) wintering on the Banc d'Arguin, Mauritania" 1635:Journal of the Bombay Natural History Society 1583: 1581: 1526:Buehler, Deborah M.; Baker, Allan J. (2005). 1446:"A supertree approach to shorebird phylogeny" 8: 2732:RedKnot.org: Red Knots & Horseshoe Crabs 2230:Martin, Graham R.; Piersma, Theunis (2009). 2150: 2148: 1694:Bulletin of the British Ornithologists' Club 1238: 1236: 1234: 988:, they feed in large numbers on the eggs of 2614:Atlantic States Marine Fisheries Commission 912:and when migrating they utter a disyllabic 725:In the breeding season, the red knot has a 4081: 3663: 3415: 3408: 3394: 3073: 3003: 2866: 2859: 2845: 2792: 2778: 2770: 2036:(1). British Ecological Society: 179–194. 1912:11370/910b3b48-babf-45ec-aeaf-d62399e5662f 1863:11370/35e84bea-180f-402a-9875-ddceb3ee086f 1556:11370/49d5a0f0-de3d-4b3f-801c-4627f769bb00 954:On the breeding grounds, knots eat mostly 396:, based on the bird's grunting call note. 232: 81: 57: 40: 31: 2493: 2444: 2434: 2255: 2207: 2133:. Federal Wildlife Service. 2 August 2005 2107: 1910: 1861: 1554: 1510: 1473: 1463: 1375: 1373: 1215: 2727:New Jersey Division of Fish and Wildlife 2702:New Jersey Division of Fish and Wildlife 1122:This is one of the species to which the 884:are the "darker" subspecies. Subspecies 855:An adult red knot is the second largest 785:and winters in north-western Australia. 1613:. Edinburgh, UK: The Stationery Office. 1181: 693:during the glacial cycles suggest that 325:Their diet varies according to season; 1807:. Ithaca: Cornell Lab of Ornithology. 1790: 1788: 1786: 1784: 1782: 1780: 4745:IUCN Red List near threatened species 2396: 2394: 2392: 2379: 2377: 2375: 2373: 2371: 2312: 2310: 2293: 2291: 2289: 2287: 2285: 2283: 2281: 2279: 2277: 2275: 1408: 1406: 761:(but possibly of the later described 7: 4525:46ea6c6a-9283-473b-9a35-db63e8782d4a 4352:d0929f2f-f7b0-4ac1-b35b-2a166dd95aca 2081:when six prey species are available" 1897:(4). Blackwell Publishing: 511–520. 1497:Gill, F.; Donsker, D., eds. (2014). 1419:. Barcelona: Lynx Edicions. p.  1337:participating institution membership 1078:Stopover sites and food availability 569:Wisconsinan (Weichselian) glaciation 361:Taxonomy, systematics, and evolution 2698:2000 Arctic Search for the Red Knot 1203:IUCN Red List of Threatened Species 504: 442: 434: 411: 403: 2852:(Numeniinae–Limosinae–Arenariinae) 2474:Proceedings of the Royal Society B 2236:Proceedings of the Royal Society B 2071:Zwarts, L.; Blomert, A-M. (1992). 25: 2304:. U.S. Fish and Wildlife Service. 1805:The Birds of North America Online 1624:Rao, P.; Mohapatra, K.K. (1993). 821:, and winters in Western Europe. 2124:"Petition to List the Red Knot ( 1073:Relationship with horseshoe crab 888:has a lighter belly than either 106: 4760:Birds of the Dominican Republic 2742:BirdLife species factsheet for 1943:Journal of Experimental Biology 1192:BirdLife International (2018). 797:, and it apparently winters in 314:sandpipers, second only to the 2713:– US Fish and Wildlife Service 2088:Marine Ecology Progress Series 1689:from the New Siberian Islands" 1685:"A new subspecies of Red Knot 345:populations winter in Africa, 308:. It is a large member of the 1: 1630:) in Andhra Pradesh in India" 1608:"Waterbirds around the world" 1289:Holloway, Joel Ellis (2003). 793:in Siberia and north-western 2766:at VIREO (Drexel University) 2676:– Cornell Lab of Ornithology 2664:Audio recordings of Red knot 2436:10.1371/journal.pbio.0040376 1031:Red knot in breeding plumage 773:and on the eastern coast of 4780:Taxa named by Carl Linnaeus 4163:Calidris_(Calidris)_canutus 872:eye-line is less distinct. 4801: 2030:Journal of Applied Ecology 1666:Wader Study Group Bulletin 1170:Department of the Interior 777:. The recently split race 705:Distribution and migration 575:7,000 to 9,000 years ago. 390:story of Cnut and the tide 4388:red-knot-calidris-canutus 4063: 3407: 3393: 3342:Buff-breasted sandpiper ( 2858: 2844: 2812: 1991:: 175–181. Archived from 1885:Piersma, Theunis (1998). 1764:The Philadelphia Inquirer 1737:10.1007/s10336-005-0030-8 1659:wintering in south India" 1653:Balachandran, S. (1998). 1626:"Occurrence of the Knot ( 1499:"IOC World Bird List 4.2" 1324:Oxford English Dictionary 1210:: e.T22693363A132285482. 729:distribution in the high 573:Holocene climatic optimum 524: 509: 502: 477: 462: 447: 440: 432: 416: 409: 252: 245: 240: 231: 208: 201: 103:Scientific classification 101: 79: 70: 65: 56: 48: 39: 34: 3708:Short-billed dowitcher ( 3401:(Tringinae–Scolopacinae) 3315:Spoon-billed sandpiper ( 3306:Semipalmated sandpiper ( 3225:White-rumped sandpiper ( 3207:Broad-billed sandpiper ( 3162:Sharp-tailed sandpiper ( 2974:Bristle-thighed curlew ( 2756:Internet Bird Collection 2674:Red knot Species Account 1891:Journal of Avian Biology 1683:Tomkovich, P.S. (2001). 1451:BMC Evolutionary Biology 4775:Birds described in 1758 3717:Long-billed dowitcher ( 3571:Nordmann's greenshank ( 2983:Slender-billed curlew ( 2346:10.1126/science.aad6351 2028:L.) in Morecambe Bay". 1955:10.1242/jeb.204.12.2167 1329:Oxford University Press 843:Description and anatomy 365:The red knot was first 4765:Birds of the Caribbean 4003:South American snipe ( 3469:Red-necked phalarope ( 2764:Red knot photo gallery 2556:. AEWA. Archived from 2486:10.1098/rspb.2005.3245 2248:10.1098/rspb.2008.1110 2200:10.1098/rspb.1998.0445 2014:, Animal Diversity Web 1725:Journal of Ornithology 1465:10.1186/1471-2148-4-28 1032: 1024: 852: 722: 4585:Paleobiology Database 3803:New Guinea woodcock ( 3535:Grey-tailed tattler ( 3138:Henderson sandpiper ( 3053:Black-tailed godwit ( 2717:The Shorebird Project 2709:Calidris canutus rufa 2594:Red Knot Life History 2126:Caladris canutus rufa 2011:Calidris canutus rufa 1589:"Red Knot Fact Sheet" 1030: 1016: 850: 712: 691:paleoclimatic changes 582:The red knot and the 373:in his landmark 1758 66:Non-breeding plumage 50:Calidris canutus rufa 4347:Fauna Europaea (new) 3845:Subantarctic snipe ( 3625:Solitary sandpiper ( 3589:Greater yellowlegs ( 3478:Wilson's phalarope ( 3261:Pectoral sandpiper ( 2947:Far Eastern curlew ( 2938:Hudsonian whimbrel ( 2911:Long-billed curlew ( 2738:and horseshoe crabs. 2689:Red Knot field guide 1152:Conservation efforts 1001:such as the eggs of 783:New Siberian Islands 614:, in order of size; 300:in the far north of 288:) is a medium-sized 4755:Birds of the Arctic 3812:Eurasian woodcock ( 3794:Moluccan woodcock ( 3776:American woodcock ( 3767:Sulawesi woodcock ( 3758:Bukidnon woodcock ( 3598:Common greenshank ( 3580:Wandering tattler ( 3553:Lesser yellowlegs ( 3511:Spotted sandpiper ( 3252:Western sandpiper ( 3189:Baird's sandpiper ( 3129:Tuamotu sandpiper ( 3044:Bar-tailed godwit ( 2965:Eurasian whimbrel ( 2949:N. madagascariensis 2707:The Rufa Red Knot ( 2480:(1581): 2609–2618. 2401:The Horseshoe Crab 2338:2016Sci...352..819V 2194:(1404): 1377–1383. 2100:1992MEPS...83..113Z 2042:1972JApEc...9..179P 1716:Calidris c. canutus 1595:. Lincoln Park Zoo. 1512:10.14344/IOC.ML.4.2 1503:IOC World Bird List 1327:(Online ed.). 73:Conservation status 52:, breeding plumage 4207:BirdLife-Australia 4021:Pin-tailed snipe ( 3949:Madagascar snipe ( 3544:Spotted redshank ( 3502:Common sandpiper ( 3351:Temminck's stint ( 3324:Red-necked stint ( 3243:Purple sandpiper ( 3216:Curlew sandpiper ( 3035:Hudsonian godwit ( 2879:Upland sandpiper ( 2403:Limulus polyphemus 2109:10.3354/meps083113 2077:take medium-sized 2008:Avery, J. (2011). 1985:Acta Ornithologica 1112:Cerastoderma edule 1033: 1025: 1022:MusĂ©um de Toulouse 853: 723: 4732: 4731: 4572:Open Tree of Life 4087:Taxon identifiers 4078: 4077: 4059: 4058: 4055: 4054: 4051: 4050: 3967:Swinhoe's snipe ( 3940:Jameson's snipe ( 3888: 3751: 3726:Asian dowitcher ( 3701: 3655: 3654: 3643:Common redshank ( 3634:Marsh sandpiper ( 3607:Green sandpiper ( 3453: 3428:Terek sandpiper ( 3389: 3388: 3385: 3384: 3381: 3380: 3333:Long-toed stint ( 3279:Least sandpiper ( 3234:Stilt sandpiper ( 3105:Black turnstone ( 3096:Ruddy turnstone ( 3089: 3065: 3064: 3019: 2995: 2994: 2920:Eurasian curlew ( 2904: 2563:on 10 August 2011 2332:(6287): 819–821. 2242:(1656): 437–445. 1949:(12): 2167–2173. 1335:(Subscription or 994:Herbst corpuscles 934:bar-tailed godwit 932:species like the 851:Nonbreeding adult 755:Chukchi Peninsula 684: 683:(Tomkovich, 2001) 676: 664: 652: 636: 623: 622:(Tomkovich, 1990) 580: 579: 564: 563: 555: 554: 546: 545: 537: 536: 490: 489: 298:Arctic Cordillera 272: 271: 266: 96: 16:(Redirected from 4792: 4725: 4724: 4712: 4711: 4699: 4698: 4686: 4685: 4673: 4672: 4671: 4645: 4644: 4642:Calidris-canutus 4632: 4631: 4619: 4618: 4606: 4605: 4593: 4592: 4580: 4579: 4567: 4566: 4554: 4553: 4541: 4540: 4528: 4527: 4518: 4517: 4508: 4507: 4495: 4494: 4482: 4481: 4479:NBNSYS0000000151 4469: 4468: 4456: 4455: 4443: 4442: 4430: 4429: 4417: 4416: 4404: 4403: 4391: 4390: 4378: 4377: 4368: 4367: 4355: 4354: 4342: 4341: 4329: 4328: 4316: 4315: 4303: 4302: 4290: 4289: 4277: 4276: 4274:calidris-canutus 4264: 4263: 4251: 4250: 4238: 4237: 4228: 4227: 4215: 4214: 4202: 4201: 4189: 4188: 4179: 4178: 4176:B5CE8FAD18923A94 4166: 4165: 4153: 4152: 4150:Calidris_canutus 4140: 4139: 4129: 4128: 4127: 4125:Calidris canutus 4114: 4113: 4112: 4095:Calidris canutus 4082: 4012:Solitary snipe ( 3931:Imperial snipe ( 3922:Latham's snipe ( 3904:Wilson's snipe ( 3887: 3886: 3882: 3821:Javan woodcock ( 3785:Amami woodcock ( 3760:S. bukidnonensis 3750: 3749: 3745: 3700: 3699: 3695: 3664: 3562:Wood sandpiper ( 3452: 3451: 3447: 3416: 3409: 3402: 3395: 3344:C. subruficollis 3288:Rock sandpiper ( 3107:A. melanocephala 3088: 3087: 3083: 3074: 3026:Marbled godwit ( 3018: 3017: 3013: 3004: 2903: 2902: 2898: 2867: 2860: 2853: 2846: 2794: 2787: 2780: 2771: 2760: 2751:"Red knot media" 2744:Calidris canutus 2682:Calidris canutus 2647: 2646: 2641:. Archived from 2631: 2625: 2624: 2622: 2620: 2611: 2603: 2597: 2591: 2585: 2579: 2573: 2572: 2570: 2568: 2562: 2551: 2543: 2537: 2536: 2534: 2532: 2522: 2514: 2508: 2507: 2497: 2465: 2459: 2458: 2448: 2438: 2414: 2408: 2398: 2387: 2381: 2366: 2365: 2323: 2314: 2305: 2300:Calidris canutus 2295: 2270: 2269: 2259: 2227: 2221: 2220: 2218: 2212:. Archived from 2211: 2185: 2176: 2170: 2169: 2167: 2166: 2152: 2143: 2142: 2140: 2138: 2132: 2120: 2114: 2113: 2111: 2094:(2–3): 113–128. 2085: 2075:Calidris canutus 2068: 2062: 2061: 2026:Calidris canutus 2021: 2015: 2006: 2000: 1999: 1997: 1982: 1973: 1967: 1966: 1940: 1931: 1925: 1924: 1914: 1882: 1876: 1875: 1865: 1839: 1830: 1824: 1823: 1821: 1819: 1799:Calidris canutus 1792: 1775: 1774: 1772: 1770: 1755: 1749: 1748: 1722: 1709: 1703: 1702: 1687:Calidris canutus 1680: 1674: 1673: 1663: 1657:Calidris canutus 1650: 1644: 1643: 1628:Calidris canutus 1621: 1615: 1614: 1612: 1603: 1597: 1596: 1585: 1576: 1575: 1573: 1567:. Archived from 1558: 1532: 1523: 1517: 1516: 1514: 1494: 1488: 1487: 1477: 1467: 1441: 1435: 1434: 1410: 1401: 1400: 1390: 1384:Calidris canutus 1377: 1368: 1367: 1347: 1341: 1340: 1332: 1320: 1313: 1307: 1306: 1286: 1280: 1279: 1265: 1259: 1258: 1240: 1229: 1228: 1226: 1224: 1219: 1196:Calidris canutus 1189: 1035:The red knot is 1018:Calidris canutus 950:Diet and feeding 765:) winter in the 745:and migrates to 739:Taymyr Peninsula 713:Large flocks of 682: 670: 658: 642: 630: 621: 505: 443: 435: 412: 404: 399: 398: 375:10th edition of 347:Papua New Guinea 322:are recognised. 292:which breeds in 285:Calidris canutus 258: 236: 214: 212:Calidris canutus 111: 110: 90: 85: 84: 61: 44: 32: 21: 4800: 4799: 4795: 4794: 4793: 4791: 4790: 4789: 4785:Holarctic birds 4770:Birds of Africa 4735: 4734: 4733: 4728: 4720: 4715: 4707: 4702: 4694: 4689: 4681: 4676: 4667: 4666: 4661: 4648: 4640: 4635: 4627: 4622: 4614: 4609: 4601: 4596: 4588: 4583: 4575: 4570: 4562: 4557: 4549: 4544: 4536: 4533:Observation.org 4531: 4523: 4521: 4513: 4511: 4503: 4498: 4490: 4485: 4477: 4472: 4464: 4459: 4451: 4446: 4438: 4433: 4425: 4420: 4412: 4407: 4399: 4394: 4386: 4381: 4373: 4371: 4363: 4358: 4350: 4345: 4337: 4332: 4324: 4319: 4311: 4306: 4298: 4293: 4285: 4280: 4272: 4267: 4259: 4254: 4246: 4241: 4233: 4231: 4223: 4218: 4210: 4205: 4197: 4192: 4184: 4182: 4174: 4169: 4161: 4156: 4148: 4143: 4137: 4132: 4123: 4122: 4117: 4108: 4107: 4102: 4089: 4079: 4074: 4047: 4032:G. stricklandii 4030:Fuegian snipe ( 3985:African snipe ( 3951:G. macrodactyla 3884: 3883: 3881: 3871: 3863:Chatham snipe ( 3829: 3747: 3746: 3744: 3734: 3728:L. semipalmatus 3697: 3696: 3694: 3684: 3651: 3519: 3486: 3460:Red phalarope ( 3449: 3448: 3446: 3436: 3403: 3400: 3377: 3362:C. tenuirostris 3146: 3131:P. parvirostris 3113: 3085: 3084: 3082: 3061: 3015: 3014: 3012: 2991: 2985:N. tenuirostris 2956:Little curlew ( 2929:Eskimo curlew ( 2900: 2899: 2897: 2887: 2854: 2851: 2840: 2836:Charadriiformes 2808: 2807:: Scolopacidae) 2798: 2749: 2655: 2650: 2633: 2632: 2628: 2618: 2616: 2609: 2605: 2604: 2600: 2592: 2588: 2580: 2576: 2566: 2564: 2560: 2549: 2545: 2544: 2540: 2530: 2528: 2520: 2516: 2515: 2511: 2467: 2466: 2462: 2416: 2415: 2411: 2405:A Living Fossil 2399: 2390: 2382: 2369: 2321: 2316: 2315: 2308: 2296: 2273: 2229: 2228: 2224: 2216: 2183: 2178: 2177: 2173: 2164: 2162: 2154: 2153: 2146: 2136: 2134: 2130: 2122: 2121: 2117: 2083: 2079:Macoma balthica 2070: 2069: 2065: 2050:10.2307/2402055 2023: 2022: 2018: 2007: 2003: 1995: 1980: 1975: 1974: 1970: 1938: 1933: 1932: 1928: 1903:10.2307/3677170 1884: 1883: 1879: 1854:10.2307/1370083 1837: 1832: 1831: 1827: 1817: 1815: 1813:10.2173/bna.563 1794: 1793: 1778: 1768: 1766: 1758:Bauers, Sandy. 1757: 1756: 1752: 1720: 1711: 1710: 1706: 1682: 1681: 1677: 1661: 1652: 1651: 1647: 1623: 1622: 1618: 1610: 1605: 1604: 1600: 1587: 1586: 1579: 1571: 1530: 1525: 1524: 1520: 1496: 1495: 1491: 1443: 1442: 1438: 1431: 1412: 1411: 1404: 1388: 1379: 1378: 1371: 1364: 1349: 1348: 1344: 1334: 1315: 1314: 1310: 1303: 1288: 1287: 1283: 1267: 1266: 1262: 1255: 1242: 1241: 1232: 1222: 1220: 1191: 1190: 1183: 1179: 1154: 1137: 1102: 1089: 1080: 1075: 1039:and seasonally 1011: 1003:horseshoe crabs 990:horseshoe crabs 952: 947: 845: 815:C. c. islandica 787:C. c. roselaari 715:C. c. islandica 707: 656:C. c. islandica 619:C. c. roselaari 605:Aphriza virgata 565: 556: 547: 538: 491: 377:Systema Naturae 363: 227: 216: 210: 197: 194:C. canutus 160:Charadriiformes 105: 97: 88:Near Threatened 86: 82: 75: 28: 27:Species of bird 23: 22: 15: 12: 11: 5: 4798: 4796: 4788: 4787: 4782: 4777: 4772: 4767: 4762: 4757: 4752: 4747: 4737: 4736: 4730: 4729: 4727: 4726: 4713: 4700: 4687: 4674: 4658: 4656: 4654:Tringa canutus 4650: 4649: 4647: 4646: 4633: 4620: 4607: 4594: 4581: 4568: 4555: 4542: 4529: 4519: 4509: 4496: 4483: 4470: 4457: 4444: 4431: 4418: 4405: 4392: 4379: 4369: 4356: 4343: 4334:Fauna Europaea 4330: 4317: 4304: 4291: 4278: 4265: 4252: 4239: 4229: 4216: 4203: 4190: 4180: 4167: 4154: 4141: 4130: 4115: 4099: 4097: 4091: 4090: 4085: 4076: 4075: 4073: 4072: 4064: 4061: 4060: 4057: 4056: 4053: 4052: 4049: 4048: 4046: 4045: 4036: 4027: 4018: 4009: 4000: 3991: 3987:G. nigripennis 3982: 3973: 3964: 3955: 3946: 3937: 3928: 3919: 3913:Common snipe ( 3910: 3901: 3891: 3889: 3873: 3872: 3870: 3869: 3860: 3854:Snares snipe ( 3851: 3847:C. aucklandica 3841: 3839: 3831: 3830: 3828: 3827: 3818: 3809: 3805:S. rosenbergii 3800: 3796:S. rochussenii 3791: 3782: 3773: 3764: 3754: 3752: 3736: 3735: 3733: 3732: 3723: 3719:L. scolopaceus 3714: 3704: 3702: 3686: 3685: 3683: 3682: 3672: 3670: 3661: 3657: 3656: 3653: 3652: 3650: 3649: 3640: 3636:T. stagnatilis 3631: 3622: 3618:T. semipalmata 3613: 3604: 3595: 3591:T. melanoleuca 3586: 3577: 3568: 3559: 3550: 3541: 3531: 3529: 3521: 3520: 3518: 3517: 3508: 3498: 3496: 3488: 3487: 3485: 3484: 3475: 3466: 3456: 3454: 3438: 3437: 3435: 3434: 3424: 3422: 3413: 3405: 3404: 3398: 3391: 3390: 3387: 3386: 3383: 3382: 3379: 3378: 3376: 3375: 3366: 3357: 3348: 3339: 3330: 3321: 3312: 3303: 3294: 3290:C. ptilocnemis 3285: 3276: 3270:Little stint ( 3267: 3258: 3249: 3240: 3231: 3227:C. fuscicollis 3222: 3213: 3209:C. falcinellus 3204: 3195: 3186: 3177: 3168: 3158: 3156: 3148: 3147: 3145: 3144: 3135: 3125: 3123: 3115: 3114: 3112: 3111: 3102: 3092: 3090: 3071: 3067: 3066: 3063: 3062: 3060: 3059: 3050: 3041: 3032: 3022: 3020: 3001: 2997: 2996: 2993: 2992: 2990: 2989: 2980: 2976:N. tahitiensis 2971: 2962: 2953: 2944: 2935: 2926: 2917: 2907: 2905: 2889: 2888: 2886: 2885: 2875: 2873: 2864: 2856: 2855: 2849: 2842: 2841: 2839: 2838: 2832: 2826: 2820: 2813: 2810: 2809: 2799: 2797: 2796: 2789: 2782: 2774: 2768: 2767: 2761: 2747: 2739: 2729: 2720: 2714: 2704: 2695: 2686: 2677: 2671: 2661: 2654: 2653:External links 2651: 2649: 2648: 2645:on 2011-10-19. 2626: 2598: 2586: 2574: 2538: 2509: 2460: 2409: 2388: 2367: 2306: 2271: 2222: 2219:on 2004-06-23. 2171: 2144: 2115: 2063: 2016: 2001: 1998:on 2011-06-10. 1968: 1926: 1877: 1825: 1776: 1750: 1731:(2): 376–384. 1704: 1675: 1645: 1616: 1598: 1593:www.lpzoo.org] 1577: 1574:on 2011-05-26. 1541:(3): 497–513. 1518: 1489: 1436: 1429: 1402: 1369: 1362: 1342: 1308: 1301: 1281: 1269:Linnaeus, Carl 1260: 1253: 1230: 1180: 1178: 1175: 1153: 1150: 1142:sea level rise 1136: 1133: 1101: 1098: 1088: 1085: 1079: 1076: 1074: 1071: 1010: 1007: 951: 948: 946: 943: 844: 841: 791:Wrangel Island 781:breeds in the 779:C. c. piersmai 771:Gulf of Mannar 753:breeds in the 747:Western Europe 737:breeds in the 706: 703: 687: 686: 680:C. c. piersmai 677: 665: 653: 637: 625: 610:There are six 578: 577: 562: 561: 558: 557: 553: 552: 549: 548: 544: 543: 540: 539: 535: 534: 531: 530: 523: 520: 519: 516: 515: 508: 503: 501: 497: 496: 493: 492: 488: 487: 484: 483: 476: 473: 472: 469: 468: 461: 458: 457: 454: 453: 446: 441: 439: 433: 431: 427: 426: 423: 422: 415: 410: 408: 402: 382:Tringa canutus 362: 359: 335:North American 304:, Europe, and 270: 269: 268: 267: 256:Tringa canutus 250: 249: 243: 242: 238: 237: 229: 228: 217: 206: 205: 199: 198: 191: 189: 185: 184: 177: 173: 172: 167: 163: 162: 157: 153: 152: 147: 143: 142: 137: 133: 132: 127: 123: 122: 117: 113: 112: 99: 98: 80: 77: 76: 71: 68: 67: 63: 62: 54: 53: 46: 45: 37: 36: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 4797: 4786: 4783: 4781: 4778: 4776: 4773: 4771: 4768: 4766: 4763: 4761: 4758: 4756: 4753: 4751: 4748: 4746: 4743: 4742: 4740: 4723: 4718: 4714: 4710: 4705: 4701: 4697: 4692: 4688: 4684: 4679: 4675: 4670: 4664: 4660: 4659: 4657: 4655: 4651: 4643: 4638: 4634: 4630: 4625: 4621: 4617: 4612: 4608: 4604: 4599: 4595: 4591: 4586: 4582: 4578: 4573: 4569: 4565: 4560: 4556: 4552: 4547: 4543: 4539: 4534: 4530: 4526: 4520: 4516: 4510: 4506: 4501: 4497: 4493: 4488: 4484: 4480: 4475: 4471: 4467: 4462: 4458: 4454: 4449: 4445: 4441: 4436: 4432: 4428: 4423: 4419: 4415: 4410: 4406: 4402: 4397: 4393: 4389: 4384: 4380: 4376: 4370: 4366: 4361: 4357: 4353: 4348: 4344: 4340: 4335: 4331: 4327: 4322: 4318: 4314: 4309: 4305: 4301: 4296: 4292: 4288: 4283: 4279: 4275: 4270: 4266: 4262: 4257: 4253: 4249: 4244: 4240: 4236: 4230: 4226: 4221: 4217: 4213: 4208: 4204: 4200: 4195: 4191: 4187: 4181: 4177: 4172: 4168: 4164: 4159: 4155: 4151: 4146: 4142: 4135: 4131: 4126: 4120: 4116: 4111: 4105: 4101: 4100: 4098: 4096: 4092: 4088: 4083: 4070: 4066: 4065: 4062: 4044: 4042: 4039:Giant snipe ( 4037: 4035: 4033: 4028: 4026: 4024: 4019: 4017: 4015: 4010: 4008: 4006: 4005:G. paraguaiae 4001: 3999: 3997: 3994:Noble snipe ( 3992: 3990: 3988: 3983: 3981: 3979: 3978:G. nemoricola 3974: 3972: 3970: 3965: 3963: 3961: 3958:Great snipe ( 3956: 3954: 3952: 3947: 3945: 3943: 3938: 3936: 3934: 3933:G. imperialis 3929: 3927: 3925: 3924:G. hardwickii 3920: 3918: 3916: 3911: 3909: 3907: 3902: 3900: 3898: 3893: 3892: 3890: 3880: 3879: 3874: 3868: 3866: 3861: 3859: 3857: 3852: 3850: 3848: 3843: 3842: 3840: 3838: 3837: 3832: 3826: 3824: 3819: 3817: 3815: 3810: 3808: 3806: 3801: 3799: 3797: 3792: 3790: 3788: 3783: 3781: 3779: 3774: 3772: 3770: 3769:S. celebensis 3765: 3763: 3761: 3756: 3755: 3753: 3743: 3742: 3737: 3731: 3729: 3724: 3722: 3720: 3715: 3713: 3711: 3706: 3705: 3703: 3693: 3692: 3687: 3681: 3679: 3674: 3673: 3671: 3669: 3665: 3662: 3658: 3648: 3646: 3641: 3639: 3637: 3632: 3630: 3628: 3623: 3621: 3619: 3614: 3612: 3610: 3605: 3603: 3601: 3596: 3594: 3592: 3587: 3585: 3583: 3578: 3576: 3574: 3569: 3567: 3565: 3560: 3558: 3556: 3551: 3549: 3547: 3546:T. erythropus 3542: 3540: 3538: 3533: 3532: 3530: 3528: 3527: 3522: 3516: 3514: 3509: 3507: 3505: 3504:A. hypoleucos 3500: 3499: 3497: 3495: 3494: 3489: 3483: 3481: 3476: 3474: 3472: 3467: 3465: 3463: 3462:P. fulicarius 3458: 3457: 3455: 3445: 3444: 3439: 3433: 3431: 3426: 3425: 3423: 3421: 3417: 3414: 3410: 3406: 3399:Scolopacidae 3396: 3392: 3374: 3372: 3367: 3365: 3363: 3358: 3356: 3354: 3353:C. temminckii 3349: 3347: 3345: 3340: 3338: 3336: 3331: 3329: 3327: 3326:C. ruficollis 3322: 3320: 3318: 3313: 3311: 3309: 3304: 3302: 3300: 3295: 3293: 3291: 3286: 3284: 3282: 3277: 3275: 3273: 3268: 3266: 3264: 3259: 3257: 3255: 3250: 3248: 3246: 3241: 3239: 3237: 3236:C. himantopus 3232: 3230: 3228: 3223: 3221: 3219: 3218:C. ferruginea 3214: 3212: 3210: 3205: 3203: 3201: 3196: 3194: 3192: 3187: 3185: 3183: 3178: 3176: 3174: 3169: 3167: 3165: 3160: 3159: 3157: 3155: 3154: 3149: 3143: 3141: 3136: 3134: 3132: 3127: 3126: 3124: 3122: 3121: 3116: 3110: 3108: 3103: 3101: 3099: 3094: 3093: 3091: 3081: 3080: 3075: 3072: 3068: 3058: 3056: 3051: 3049: 3047: 3042: 3040: 3038: 3037:L. haemastica 3033: 3031: 3029: 3024: 3023: 3021: 3011: 3010: 3005: 3002: 2998: 2988: 2986: 2981: 2979: 2977: 2972: 2970: 2968: 2963: 2961: 2959: 2954: 2952: 2950: 2945: 2943: 2941: 2940:N. hudsonicus 2936: 2934: 2932: 2927: 2925: 2923: 2918: 2916: 2914: 2913:N. americanus 2909: 2908: 2906: 2896: 2895: 2890: 2884: 2882: 2881:B. longicauda 2877: 2876: 2874: 2872: 2868: 2865: 2861: 2857: 2850:Scolopacidae 2847: 2843: 2837: 2833: 2831: 2827: 2825: 2821: 2819: 2815: 2814: 2811: 2806: 2802: 2795: 2790: 2788: 2783: 2781: 2776: 2775: 2772: 2765: 2762: 2758: 2757: 2752: 2748: 2746: 2745: 2740: 2737: 2733: 2730: 2728: 2724: 2721: 2718: 2715: 2712: 2710: 2705: 2703: 2699: 2696: 2694: 2690: 2687: 2684: 2683: 2678: 2675: 2672: 2669: 2665: 2662: 2660: 2657: 2656: 2652: 2644: 2640: 2636: 2630: 2627: 2615: 2608: 2602: 2599: 2595: 2590: 2587: 2583: 2578: 2575: 2559: 2555: 2548: 2542: 2539: 2526: 2519: 2513: 2510: 2505: 2501: 2496: 2491: 2487: 2483: 2479: 2475: 2471: 2464: 2461: 2456: 2452: 2447: 2442: 2437: 2432: 2428: 2424: 2420: 2413: 2410: 2406: 2404: 2397: 2395: 2393: 2389: 2385: 2384:Rufa Red Knot 2380: 2378: 2376: 2374: 2372: 2368: 2363: 2359: 2355: 2351: 2347: 2343: 2339: 2335: 2331: 2327: 2320: 2313: 2311: 2307: 2303: 2301: 2294: 2292: 2290: 2288: 2286: 2284: 2282: 2280: 2278: 2276: 2272: 2267: 2263: 2258: 2253: 2249: 2245: 2241: 2237: 2233: 2226: 2223: 2215: 2210: 2205: 2201: 2197: 2193: 2189: 2182: 2175: 2172: 2161: 2157: 2151: 2149: 2145: 2129: 2127: 2119: 2116: 2110: 2105: 2101: 2097: 2093: 2089: 2082: 2080: 2076: 2067: 2064: 2059: 2055: 2051: 2047: 2043: 2039: 2035: 2031: 2027: 2020: 2017: 2013: 2012: 2005: 2002: 1994: 1990: 1986: 1979: 1972: 1969: 1964: 1960: 1956: 1952: 1948: 1944: 1937: 1930: 1927: 1922: 1918: 1913: 1908: 1904: 1900: 1896: 1892: 1888: 1881: 1878: 1873: 1869: 1864: 1859: 1855: 1851: 1847: 1843: 1836: 1829: 1826: 1814: 1810: 1806: 1802: 1800: 1791: 1789: 1787: 1785: 1783: 1781: 1777: 1765: 1761: 1754: 1751: 1746: 1742: 1738: 1734: 1730: 1726: 1719: 1717: 1708: 1705: 1700: 1696: 1695: 1690: 1688: 1679: 1676: 1671: 1667: 1660: 1658: 1649: 1646: 1641: 1637: 1636: 1631: 1629: 1620: 1617: 1609: 1602: 1599: 1594: 1590: 1584: 1582: 1578: 1570: 1566: 1562: 1557: 1552: 1548: 1544: 1540: 1536: 1529: 1522: 1519: 1513: 1508: 1504: 1500: 1493: 1490: 1485: 1481: 1476: 1471: 1466: 1461: 1457: 1453: 1452: 1447: 1440: 1437: 1432: 1430:84-87334-20-2 1426: 1422: 1418: 1417: 1409: 1407: 1403: 1399:(3): 485–498. 1398: 1394: 1387: 1385: 1376: 1374: 1370: 1365: 1363:0-19-553070-5 1359: 1355: 1354: 1346: 1343: 1338: 1330: 1326: 1325: 1319: 1312: 1309: 1304: 1302:0-88192-600-0 1298: 1294: 1293: 1285: 1282: 1278: 1274: 1270: 1264: 1261: 1256: 1254:0-395-37903-2 1250: 1246: 1239: 1237: 1235: 1231: 1218: 1213: 1209: 1205: 1204: 1199: 1197: 1188: 1186: 1182: 1176: 1174: 1171: 1165: 1163: 1159: 1151: 1149: 1145: 1143: 1134: 1132: 1129: 1127: 1126: 1120: 1118: 1114: 1113: 1108: 1107:least concern 1099: 1097: 1093: 1086: 1084: 1077: 1072: 1070: 1067: 1062: 1058: 1054: 1049: 1048:other males. 1046: 1045:site fidelity 1042: 1038: 1029: 1023: 1019: 1015: 1008: 1006: 1004: 999: 995: 991: 987: 983: 982: 975: 973: 969: 965: 961: 957: 949: 944: 942: 939: 935: 929: 925: 923: 919: 915: 911: 905: 903: 899: 895: 891: 887: 883: 879: 875: 870: 866: 862: 858: 849: 842: 840: 838: 834: 830: 828: 822: 820: 816: 812: 808: 804: 800: 796: 792: 788: 784: 780: 776: 772: 768: 764: 760: 756: 752: 751:C. c. rogersi 748: 744: 741:and possibly 740: 736: 735:C. c. canutus 732: 728: 720: 716: 711: 704: 702: 700: 696: 692: 681: 678: 674: 669: 668:C. c. rogersi 666: 662: 657: 654: 650: 646: 641: 640:C. c. canutus 638: 634: 629: 626: 620: 617: 616: 615: 613: 608: 606: 602: 598: 594: 593: 589: 585: 576: 574: 570: 560: 559: 551: 550: 542: 541: 533: 532: 529: 528: 522: 521: 518: 517: 514: 513: 507: 506: 499: 498: 495: 494: 486: 485: 482: 481: 475: 474: 471: 470: 467: 466: 460: 459: 456: 455: 452: 451: 445: 444: 437: 436: 429: 428: 425: 424: 421: 420: 414: 413: 406: 405: 401: 400: 397: 395: 391: 387: 383: 379: 378: 372: 371:Carl Linnaeus 368: 360: 358: 356: 352: 348: 344: 340: 336: 332: 328: 323: 321: 317: 313: 312: 307: 303: 299: 295: 291: 287: 286: 281: 277: 265: 261: 257: 254: 253: 251: 248: 244: 239: 235: 230: 225: 221: 215: 213: 207: 204: 203:Binomial name 200: 196: 195: 190: 187: 186: 183: 182: 178: 175: 174: 171: 168: 165: 164: 161: 158: 155: 154: 151: 148: 145: 144: 141: 138: 135: 134: 131: 128: 125: 124: 121: 118: 115: 114: 109: 104: 100: 94: 89: 78: 74: 69: 64: 60: 55: 51: 47: 43: 38: 33: 30: 19: 4653: 4094: 4040: 4031: 4022: 4014:G. solitaria 4013: 4004: 3995: 3986: 3977: 3976:Wood snipe ( 3968: 3959: 3950: 3941: 3932: 3923: 3915:G. gallinago 3914: 3905: 3896: 3895:Puna snipe ( 3876: 3864: 3855: 3846: 3836:Coenocorypha 3834: 3822: 3814:S. rusticola 3813: 3804: 3795: 3786: 3777: 3768: 3759: 3739: 3727: 3718: 3709: 3698:(Dowitchers) 3689: 3677: 3676:Jack snipe ( 3668:Lymnocryptes 3667: 3660:Scolopacinae 3644: 3635: 3627:T. solitaria 3626: 3617: 3608: 3600:T. nebularia 3599: 3590: 3581: 3572: 3563: 3554: 3545: 3536: 3524: 3513:A. macularia 3512: 3503: 3491: 3479: 3470: 3461: 3450:(Phalaropes) 3441: 3429: 3419: 3370: 3361: 3360:Great knot ( 3352: 3343: 3335:C. subminuta 3334: 3325: 3316: 3307: 3298: 3289: 3281:C. minutilla 3280: 3271: 3263:C. melanotos 3262: 3253: 3244: 3235: 3226: 3217: 3208: 3199: 3197: 3190: 3181: 3172: 3171:Sanderling ( 3164:C. acuminata 3163: 3151: 3139: 3130: 3118: 3106: 3098:A. interpres 3097: 3086:(Turnstones) 3077: 3054: 3046:L. lapponica 3045: 3036: 3027: 3007: 2984: 2975: 2966: 2957: 2948: 2939: 2930: 2921: 2912: 2892: 2880: 2870: 2754: 2743: 2735: 2708: 2681: 2643:the original 2639:ecos.fws.gov 2638: 2629: 2617:. Retrieved 2613: 2601: 2589: 2577: 2565:. Retrieved 2558:the original 2553: 2541: 2529:. Retrieved 2524: 2512: 2477: 2473: 2463: 2429:(12): e376. 2426: 2423:PLOS Biology 2422: 2412: 2402: 2329: 2325: 2299: 2239: 2235: 2225: 2214:the original 2191: 2187: 2174: 2163:. Retrieved 2159: 2135:. Retrieved 2125: 2118: 2091: 2087: 2078: 2074: 2066: 2033: 2029: 2025: 2019: 2010: 2004: 1993:the original 1988: 1984: 1971: 1946: 1942: 1929: 1894: 1890: 1880: 1845: 1841: 1828: 1816:. Retrieved 1804: 1798: 1767:. Retrieved 1763: 1753: 1728: 1724: 1715: 1707: 1698: 1692: 1686: 1678: 1669: 1665: 1656: 1648: 1639: 1633: 1627: 1619: 1601: 1592: 1569:the original 1538: 1534: 1521: 1502: 1492: 1458:(28): 1–18. 1455: 1449: 1439: 1415: 1396: 1392: 1383: 1352: 1345: 1322: 1311: 1291: 1284: 1276: 1272: 1263: 1244: 1221:. Retrieved 1207: 1201: 1195: 1166: 1155: 1146: 1138: 1130: 1123: 1121: 1116: 1110: 1103: 1094: 1090: 1081: 1050: 1034: 1017: 998:visual field 986:Delaware Bay 979: 976: 953: 930: 926: 917: 913: 909: 906: 897: 893: 889: 885: 881: 877: 873: 856: 854: 836: 831: 823: 814: 810: 786: 778: 762: 758: 750: 734: 724: 714: 694: 688: 685:– (smallest) 679: 667: 655: 639: 627: 618: 609: 604: 597:polyphyletic 590: 581: 566: 526: 525: 511: 510: 479: 478: 464: 463: 449: 448: 418: 417: 394:onomatopoeic 381: 376: 364: 324: 309: 284: 283: 279: 275: 273: 255: 211: 209: 193: 192: 180: 170:Scolopacidae 49: 29: 4598:SeaLifeBase 4515:lesser-knot 4500:Neotropical 4461:NatureServe 4396:iNaturalist 4119:Wikispecies 4069:Boyd (2019) 4041:G. undulata 3942:G. jamesoni 3906:G. delicata 3823:S. saturata 3748:(Woodcocks) 3691:Limnodromus 3609:T. ochropus 3573:T. guttifer 3564:T. glareola 3555:T. flavipes 3537:T. brevipes 3480:P. tricolor 3430:X. cinereus 3245:C. maritima 3070:Arenariinae 2967:N. phaeopus 2931:N. borealis 2693:eNature.com 2680:Red Knot – 2582:“Red Knot.” 1797:"Red Knot ( 1223:13 November 1037:territorial 962:(including 914:knuup-knuup 727:circumpolar 659:(Linnaeus, 624:– (largest) 603:(currently 355:New Zealand 4739:Categories 4669:Q107055527 4637:Xeno-canto 4023:G. stenura 3996:G. nobilis 3865:C. pusilla 3856:C. huegeli 3710:L. griseus 3678:L. minimus 3645:T. totanus 3471:P. lobatus 3443:Phalaropus 3371:C. virgata 3369:Surfbird ( 3317:C. pygmaea 3308:C. pusilla 3200:C. canutus 3198:Red knot ( 3191:C. bairdii 3120:Prosobonia 2958:N. minutus 2922:N. arquata 2863:Numeniinae 2801:Sandpipers 2668:Xeno-canto 2298:Red Knot ( 2165:2020-03-03 2073:"Why knot 1842:The Condor 1701:: 257–263. 1535:The Condor 1339:required.) 1177:References 1162:New Jersey 1041:monogamous 970:and small 968:gastropods 837:C. c. rufa 827:Wadden Sea 811:C. c. rufa 789:breeds in 628:C. c. rufa 612:subspecies 584:great knot 327:arthropods 320:subspecies 316:great knot 4067:Based on 3969:G. megala 3897:G. andina 3878:Gallinago 3582:T. incana 3412:Tringinae 3299:C. pugnax 3272:C. minuta 3182:C. alpina 3055:L. limosa 3016:(Godwits) 3000:Limosinae 2901:(Curlews) 2871:Bartramia 2816:Kingdom: 2362:206644249 1642:(3): 509. 1117:islandica 1066:precocial 945:Behaviour 890:roselaari 878:islandica 819:Greenland 807:Venezuela 721:, Norfolk 480:islandica 450:roselaari 367:described 351:Australia 337:breeders 290:shorebird 188:Species: 126:Kingdom: 120:Eukaryota 35:Red knot 4750:Calidris 4663:Wikidata 4564:red-knot 4466:2.100057 4453:22693363 4414:10455543 4375:red-knot 4300:45509223 4212:red-knot 4199:22693363 4194:BirdLife 4183:BioLib: 4104:Wikidata 3960:G. media 3885:(Snipes) 3778:S. minor 3741:Scolopax 3616:Willet ( 3254:C. mauri 3180:Dunlin ( 3153:Calidris 3140:P. sauli 3079:Arenaria 3028:L. fedoa 2894:Numenius 2824:Chordata 2822:Phylum: 2818:Animalia 2584:Audubon. 2567:22 April 2531:22 April 2504:16321783 2455:17105350 2354:27174985 2266:18842546 2137:27 March 1963:11441058 1818:27 April 1672:: 44–47. 1565:34914405 1484:15329156 1271:(1758). 1061:incubate 1009:Breeding 960:bivalves 922:incubate 894:piersmai 882:piersmai 861:wingspan 857:Calidris 767:mudflats 763:piersmai 719:The Wash 699:Siberian 645:Linnaeus 601:surfbird 592:Calidris 512:piersmai 343:Eurasian 311:Calidris 296:and the 278:or just 276:red knot 260:Linnaeus 247:Synonyms 220:Linnaeus 181:Calidris 166:Family: 140:Chordata 136:Phylum: 130:Animalia 116:Domain: 93:IUCN 3.1 18:Red Knot 4722:1034709 4696:4408527 4365:2481765 4248:bob4960 4171:Avibase 3787:S. mira 3493:Actitis 3173:C. alba 2834:Order: 2828:Class: 2619:25 June 2495:1559986 2446:1635749 2334:Bibcode 2326:Science 2257:2664340 2209:1689215 2160:fws.gov 2096:Bibcode 2058:2402055 2038:Bibcode 1921:3677170 1872:1370083 1745:8361259 1135:Threats 964:mussels 956:spiders 938:gizzard 928:belly. 918:poor-me 886:rogersi 874:Canutus 869:plumage 799:Florida 769:in the 759:rogersi 743:Yakutia 695:canutus 675:, 1913) 673:Mathews 635:, 1813) 527:rogersi 500:  438:  430:  419:canutus 407:  339:migrate 176:Genus: 156:Order: 146:Class: 91: ( 4709:824161 4629:147433 4603:153033 4590:369399 4577:214779 4551:147433 4522:NZOR: 4512:NZBO: 4505:redkno 4492:227173 4440:176642 4372:GNAB: 4321:EURING 4287:redkno 4235:redkno 4138:redkno 4110:Q27124 3526:Tringa 3297:Ruff ( 3009:Limosa 2805:family 2527:. AEWA 2502:  2492:  2453:  2443:  2360:  2352:  2264:  2254:  2206:  2056:  1961:  1919:  1870:  1769:2 June 1743:  1563:  1482:  1475:515296 1472:  1427:  1360:  1318:"Knot" 1299:  1251:  1160:. In 1158:extant 1100:Status 981:Macoma 896:, and 803:Panama 795:Alaska 731:Arctic 633:Wilson 353:, and 331:larvae 318:. Six 306:Russia 302:Canada 294:tundra 4717:WoRMS 4683:58VHX 4624:WoRMS 4427:90062 4409:IRMNG 4339:96793 4308:EUNIS 4282:eBird 4232:BOW: 4225:10172 3420:Xenus 2610:(PDF) 2561:(PDF) 2550:(PDF) 2521:(PDF) 2358:S2CID 2322:(PDF) 2217:(PDF) 2184:(PDF) 2131:(PDF) 2084:(PDF) 2054:JSTOR 1996:(PDF) 1981:(PDF) 1939:(PDF) 1917:JSTOR 1868:JSTOR 1838:(PDF) 1741:S2CID 1721:(PDF) 1662:(PDF) 1611:(PDF) 1572:(PDF) 1561:S2CID 1531:(PDF) 1393:Ardea 1389:(PDF) 1333: 1020:egg, 972:crabs 910:knutt 775:India 588:genus 4704:ITIS 4691:GBIF 4616:3113 4559:ODNR 4546:OBIS 4487:NCBI 4448:IUCN 4435:ITIS 4401:3845 4360:GBIF 4326:4960 4261:PK44 4220:BOLD 4186:8634 2830:Aves 2736:rufa 2621:2019 2569:2008 2533:2008 2500:PMID 2451:PMID 2350:PMID 2262:PMID 2139:2009 1959:PMID 1820:2009 1771:2014 1480:PMID 1425:ISBN 1358:ISBN 1297:ISBN 1249:ISBN 1225:2021 1208:2018 1168:the 1057:moss 1053:nest 902:molt 898:rufa 880:and 865:bill 805:and 661:1767 649:1758 465:rufa 386:Cnut 329:and 280:knot 274:The 264:1758 224:1758 150:Aves 4678:CoL 4611:TSA 4538:125 4474:NBN 4422:ISC 4383:IBC 4313:935 4295:EoL 4269:CMS 4256:CoL 4243:BTO 4158:AFD 4145:ADW 4134:ABA 2691:at 2666:on 2490:PMC 2482:doi 2478:272 2441:PMC 2431:doi 2342:doi 2330:352 2252:PMC 2244:doi 2240:276 2204:PMC 2196:doi 2192:265 2104:doi 2046:doi 1951:doi 1947:204 1907:hdl 1899:doi 1858:hdl 1850:doi 1846:101 1809:doi 1733:doi 1729:147 1699:121 1551:hdl 1543:doi 1539:107 1507:doi 1470:PMC 1460:doi 1421:519 1212:doi 966:), 892:or 833:B95 607:). 380:as 369:by 4741:: 4719:: 4706:: 4693:: 4680:: 4665:: 4639:: 4626:: 4613:: 4600:: 4587:: 4574:: 4561:: 4548:: 4535:: 4502:: 4489:: 4476:: 4463:: 4450:: 4437:: 4424:: 4411:: 4398:: 4385:: 4362:: 4349:: 4336:: 4323:: 4310:: 4297:: 4284:: 4271:: 4258:: 4245:: 4222:: 4209:: 4196:: 4173:: 4160:: 4147:: 4136:: 4121:: 4106:: 2753:. 2725:– 2700:– 2637:. 2612:. 2552:. 2523:. 2498:. 2488:. 2476:. 2472:. 2449:. 2439:. 2425:. 2421:. 2391:^ 2370:^ 2356:. 2348:. 2340:. 2328:. 2324:. 2309:^ 2274:^ 2260:. 2250:. 2238:. 2234:. 2202:. 2190:. 2186:. 2158:. 2147:^ 2102:. 2092:83 2090:. 2086:. 2052:. 2044:. 2032:. 1989:34 1987:. 1983:. 1957:. 1945:. 1941:. 1915:. 1905:. 1895:29 1893:. 1889:. 1866:. 1856:. 1844:. 1840:. 1803:. 1801:)" 1779:^ 1762:. 1739:. 1727:. 1723:. 1697:. 1691:. 1670:86 1668:. 1664:. 1640:90 1638:. 1632:. 1591:. 1580:^ 1559:. 1549:. 1537:. 1533:. 1505:. 1501:. 1478:. 1468:. 1454:. 1448:. 1423:. 1405:^ 1397:94 1395:. 1391:. 1372:^ 1321:. 1233:^ 1206:. 1200:. 1184:^ 1005:. 876:, 809:. 801:, 647:, 349:, 262:, 222:, 4071:. 4043:) 4034:) 4025:) 4016:) 4007:) 3998:) 3989:) 3980:) 3971:) 3962:) 3953:) 3944:) 3935:) 3926:) 3917:) 3908:) 3899:) 3867:) 3858:) 3849:) 3825:) 3816:) 3807:) 3798:) 3789:) 3780:) 3771:) 3762:) 3730:) 3721:) 3712:) 3680:) 3647:) 3638:) 3629:) 3620:) 3611:) 3602:) 3593:) 3584:) 3575:) 3566:) 3557:) 3548:) 3539:) 3515:) 3506:) 3482:) 3473:) 3464:) 3432:) 3373:) 3364:) 3355:) 3346:) 3337:) 3328:) 3319:) 3310:) 3301:) 3292:) 3283:) 3274:) 3265:) 3256:) 3247:) 3238:) 3229:) 3220:) 3211:) 3202:) 3193:) 3184:) 3175:) 3166:) 3142:) 3133:) 3109:) 3100:) 3057:) 3048:) 3039:) 3030:) 2987:) 2978:) 2969:) 2960:) 2951:) 2942:) 2933:) 2924:) 2915:) 2883:) 2803:( 2793:e 2786:t 2779:v 2759:. 2711:) 2670:. 2623:. 2571:. 2535:. 2506:. 2484:: 2457:. 2433:: 2427:4 2364:. 2344:: 2336:: 2302:) 2268:. 2246:: 2198:: 2168:. 2141:. 2112:. 2106:: 2098:: 2060:. 2048:: 2040:: 2034:9 1965:. 1953:: 1923:. 1909:: 1901:: 1874:. 1860:: 1852:: 1822:. 1811:: 1773:. 1747:. 1735:: 1553:: 1545:: 1515:. 1509:: 1486:. 1462:: 1456:4 1433:. 1386:" 1366:. 1331:. 1305:. 1257:. 1227:. 1214:: 1198:" 1194:" 671:( 663:) 651:) 643:( 631:( 282:( 226:) 218:( 95:) 20:)

Index

Red Knot


Conservation status
Near Threatened
IUCN 3.1
Scientific classification
Edit this classification
Eukaryota
Animalia
Chordata
Aves
Charadriiformes
Scolopacidae
Calidris
Binomial name
Linnaeus
1758

Synonyms
Linnaeus
1758
shorebird
tundra
Arctic Cordillera
Canada
Russia
Calidris
great knot
subspecies

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