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Argentina, where Chaco Eagles are still killed due to the belief that they attack livestock. Between 1999 and 2014, 30 Chaco Eagles were brought to a rehabilitation center after they had been shot to protect livestock. For such a small population, this can have a great impact on the species’ chances at survival. This persecution attracted the attention of conservation groups, which lead to the creation of a national plan of plan of conservation for the Chaco Eagle in
Argentina, the only country to do so so far. Another important factor is the electrocution of Chaco Eagles by power poles, which also has a sizeable impact on their populations. This is also a common problem that unfortunately affects many raptors.
556:
were available. The egg hatches around 45 days after it was laid (November–December). The female stays near its offspring from the moment the egg is laid until the chick is old enough to be left alone for short periods of time. The male continuously brings food to the nest, while the female joins the hunting when the chick hatches and grows a bit. The offspring will stay in the nest for 65–70 days. Not much is known concerning the age of breeding, but it is estimated that they do not breed before they reach 3–5 years of age.
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535:) are captured by approaching them from the side, grabbing them by the hip with one foot and then by the head with the other, apparently to reduce the risk of being bitten or whipped by the tail. Normally, this raptor kills or hunts its prey, but some individuals have been seen eating dead deer, sheep, armadillos, and roadkill.
962:
Giacomo, Alejandro G., Santiago F. Krapovickas, and Javier
Pereira. Historia natural y paisaje de la Reserva el Bagual, provincia de Formosa, Argentina: inventario de la fauna de vertebrados y de la flora vascular de un área protegida del Chaco Húmedo. No. 4. Aves Argentinas/Asociación Ornitológica
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The Chaco Eagle is considered endangered. Its population is declining, a trend that is most likely due to human activities. The Chaco Eagle populations are affected by many threats, including habitat degradation, collisions with human structures and persecution. An example of the latter would be in
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species. Between August and
October, a single white egg with grey spots is laid on a platform-like nest of sticks and leaves. The nest is constructed on the tallest trees of breeding territories, 10-13m above ground. Some eagles have been seen nesting on human made buildings in area where no trees
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from portions of its historical range and is found in very low density throughout its range, making it one of the rarest and most threatened raptors in the
Neotropical region. Only 250-999 mature individuals are left, while the total individual count of the species reaches 375-1499 birds.
276:
and legs are yellow. As its name indicates, the
Crowned Solitary Eagle has a crest of darker grey feathers. The juvenile also has a crest but its colour dark brown, except for it creamy head and underbody which are both have grey streaks. It is one of the largest raptors in the
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also make up a smaller part of their diet. When hunting snakes, the eagles often remove the head first. Singular scales on the eagle’s tarsus protected them from snake bites. Small lizards are caught directly with talons, but large lizards such as
937:
Montalvo, Claudia I., et al. "Crowned solitary eagle (Buteogallus coronatus) as accumulator of armadillo osteoderms in the archaeological record? An actualistic taphonomic study for central
Argentina." Quaternary International 391 (2016):
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and normally weighs around 2.95 kg (6.5 lb). Its total length can reach 73–79 cm (29–31 in) and it has a wingspan of 170–183 cm (5 ft 7 in – 6 ft 0 in).
925:
Lobos, Roberto
Pereyra, et al. "Diet of the Crowned Eagle (Harpyhaliaetus coronatus) during the breeding season in the Monte desert, Mendoza, Argentina." Journal of Raptor Research 45.2 (2011): 180-183.
888:
Sarasola, José H.; Galmes, Maximiliano A.; Watts, Bryan D. (19 May 2020). "Electrocution on Power Lines is an
Important Threat for the Endangered Chaco Eagle (Buteogallus coronatus) in Argentina".
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Canal, David; Roques, Séverine; Negro, Juan J.; Sarasola, José H. (February 2017). "Population genetics of the endangered
Crowned Solitary Eagle (Buteogallus coronatus) in South America".
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The Chaco eagle is a large raptor with a mostly dull and silvery grey body plumage. Its short black tail has a broad white medial band as well as a white tip and both its
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and open woodlands. Also, the presence of large trees in the habitat is very important for the Chaco eagle since they are used for nesting.
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Chaco Eagles still-hunt from perches. Its diet consists mostly of small to medium size mammals. It primarily preys on
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The Chaco Eagle can be recognized by its very powerful and shrill whistling call that can be heard 2 km away.
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to the
Americas and can be found in eastern and central South America. It is present in southern and central
260:
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Capdevielle, Andrés, et al. "DIFFERENT HUNTING METHODS OF HARPYHALIAETUS CORONATUS DURING REHABILITATION."
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Barbar, Facundo; Capdevielle, Andrés; Encabo, Manuel (March 2016). "Direct Persecution of Crowned Eagles (
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Galmes, Maximiliano A.; Sarasola, José H.; Grande, Juan Manuel; Vargas, F. Hernán (September 2018).
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Do, Eric (4 March 2020). Schulenberg, Thomas S (ed.). "Chaco Eagle (Buteogallus coronatus)".
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Often seen in solitary pairs or small groups of three, the Chaco Eagle is a tame
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Sarasola, José Hernán (March 2018). "Nesting of the Endangered Chaco Eagle (
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is monotypic, meaning that there are no subspecies. Vieillot first named it
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264:. Due to its rarity, not much is known about its biology or population.
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Madden, Kristin K.; Rozhon, Genevieve C.; Dwyer, James F. (9 May 2019).
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The Chaco Eagle can be found in semi open habitats such as open mixed
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345:), is also a sister species. They were all reclassified under the
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1111:(extinctions: †indicates a species confirmed to be extinct)
337:. These analyses also indicated that another species, the
810:) in Argentina: A New Call for Their Conservation".
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which leads to potential confusion with the African
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688:Ferguson-Lees, James; Christie, David A. (2001).
598:10.2305/IUCN.UK.2016-3.RLTS.T22695855A93530845.en
388:. The status of the Chaco Eagle is uncertain in
978:"Parental Care of the Endangered Chaco Eagle (
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547:A mounted specimen of a juvenile Chaco eagle.
305:in 1817. It was subsequently reclassified by
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333:of their DNA showed that they are, in fact,
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849:"Conservation Letter: Raptor Persecution"
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438:species that forages during early hours.
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325:) was considered to be a subspecies of
254:. Typically it is known simply as the
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1877:Taxa named by Louis Pierre Vieillot
584:IUCN Red List of Threatened Species
506:) are also taken. Reptiles such as
380:and its range extends to Northern
25:
1867:Endangered biota of South America
1837:IUCN Red List endangered species
573:BirdLife International. (2016).
84:
529:Argentine black and white tegus
1862:Birds of prey of South America
764:) on a Human-made Structure".
1:
692:. Houghton Mifflin Harcourt.
482:). But other mammals such as
1882:Birds of the Atlantic Forest
824:10.3356/rapt-50-01-115-120.1
1128:Black-chested buzzard-eagle
294:A Chaco eagle in captivity.
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1035:BirdLife Species Factsheet
986:Journal of Raptor Research
902:10.3356/0892-1016-54.2.166
890:Journal of Raptor Research
853:Journal of Raptor Research
812:Journal of Raptor Research
766:Journal of Raptor Research
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646:10.1007/s10592-016-0878-6
250:from eastern and central
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81:Scientific classification
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48:
39:
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1648:Harpyhaliaetus_coronatus
591:: e.T22695855A93530845.
355:Habitat and Distribution
224:Harpyhaliaetus coronatus
1872:Birds described in 1817
1852:Birds of the Gran Chaco
982:) in Central Argentina"
343:Buteogallus anthracinus
327:Harpyhaliatus coronatus
315:Harpyhaliatus coronatus
261:Stephanoaetus coronatus
744:10.2173/bow.croeag1.01
548:
468:nine-banded armadillos
323:Buteogallus solitarius
313:genus and was renamed
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244:crowned solitary eagle
18:Crowned solitary eagle
1814:Buteogallus-coronatus
1634:Buteogallus coronatus
1604:Buteogallus coronatus
1517:Rufous-winged buzzard
980:Buteogallus coronatus
808:Buteogallus coronatus
762:Buteogallus coronatus
626:Conservation Genetics
577:Buteogallus coronatus
551:The Chaco Eagle is a
546:
331:phylogenetic analyses
299:Buteogallus coronatus
293:
239:Buteogallus coronatus
190:Buteogallus coronatus
1193:Rough-legged buzzard
690:Raptors of the World
472:Dasypus novemcinctus
1522:Grasshopper buzzard
1399:Black-collared hawk
1233:White-throated hawk
1203:Red-shouldered hawk
1188:Long-legged buzzard
999:10.3356/JRR-16-82.1
778:10.3356/JRR-17-20.1
638:2017ConG...18..235C
533:Tupinambis merianae
317:. At the time, the
246:, is an endangered
51:Conservation status
1532:Grey-faced buzzard
1527:White-eyed buzzard
1449:Semiplumbeous hawk
1444:Slate-colored hawk
1283:Red-necked buzzard
1273:Madagascar buzzard
1258:Rufous-tailed hawk
1173:Cape Verde buzzard
1040:2009-01-02 at the
736:Birds of the World
549:
525:Salvator rufescens
309:in 1842 under the
296:
1824:
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1796:Open Tree of Life
1596:Taxon identifiers
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1586:
1565:
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1424:White-necked hawk
1419:White-browed hawk
1366:Common black hawk
1341:White-rumped hawk
1228:Short-tailed hawk
1223:White-rumped hawk
1208:Broad-winged hawk
1168:Himalayan buzzard
1138:White-tailed hawk
866:10.3356/JRR-18-37
699:978-0-618-12762-7
230:
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172:B. coronatus
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16:(Redirected from
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1469:Grey-backed hawk
1429:Black-faced hawk
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1371:Cuban black hawk
1361:Rufous crab hawk
1293:Archer's buzzard
1268:Mountain buzzard
1248:Zone-tailed hawk
1198:Ferruginous hawk
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1183:Red-tailed hawk
1178:Socotra buzzard
1163:Eastern buzzard
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1253:Hawaiian hawk
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256:crowned eagle
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252:South America
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1479:Mantled hawk
1458:
1410:Leucopternis
1408:
1390:
1381:Savanna hawk
1350:
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1307:
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655:10261/156337
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602:. Retrieved
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539:Reproduction
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476:Andes skunks
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442:Vocalization
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360:Distribution
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248:bird of prey
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171:
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158:
148:Accipitridae
35:Chaco eagle
29:
1842:Buteogallus
1770:Neotropical
1731:iNaturalist
1628:Wikispecies
1552:Chaco eagle
1439:Barred hawk
1352:Buteogallus
1119:Geranoaetus
1009:11336/81480
833:11336/60073
436:crepuscular
348:Buteogallus
268:Description
234:Chaco eagle
159:Buteogallus
1831:Categories
1809:Xeno-canto
1489:Kaupifalco
1474:White hawk
1460:Pseudastur
1391:Busarellus
1087:Buteoninae
896:(2): 166.
859:(2): 230.
604:6 November
560:References
553:monogamous
456:armadillos
407:grasslands
394:extirpated
307:Lafresnaye
279:Neotropics
66:Endangered
1327:Parabuteo
1243:Gray hawk
1083:Subfamily
910:218685776
875:164599836
521:red tegus
512:tortoises
411:savannahs
386:Argentina
382:Patagonia
166:Species:
104:Kingdom:
98:Eukaryota
1749:22695855
1674:22695855
1669:BirdLife
1619:Q1270261
1613:Wikidata
1508:Butastur
1308:Rupornis
1038:Archived
1018:91853862
786:90164367
664:21433835
458:such as
430:Behavior
378:Paraguay
286:Taxonomy
216:Synonyms
198:Vieillot
144:Family:
118:Chordata
114:Phylum:
108:Animalia
94:Domain:
71:IUCN 3.1
1801:6151491
1775:croeag1
1762:2868389
1723:7661920
1710:croeag1
1697:croeag1
1656:Avibase
1579:Buzzard
1108:Species
634:Bibcode
516:lizards
498:), and
488:possums
484:rodents
421:Threats
415:marshes
401:Habitat
390:Uruguay
374:Bolivia
366:endemic
351:genus.
200:, 1817)
154:Genus:
134:Order:
124:Class:
69: (
1847:Eagles
1736:201039
1687:745436
1016:
938:90-99.
908:
873:
784:
696:
662:
527:) and
514:, and
508:snakes
466:) and
460:pichis
370:Brazil
329:until
1788:73270
1705:eBird
1694:BOW:
1574:Eagle
1149:Buteo
1100:Genus
1047:eBird
1014:S2CID
906:S2CID
871:S2CID
782:S2CID
660:S2CID
242:) or
1757:NCBI
1744:IUCN
1718:GBIF
1682:BOLD
694:ISBN
606:2022
589:2016
450:Diet
274:cere
232:The
128:Aves
1643:ADW
1004:hdl
994:doi
898:doi
861:doi
828:hdl
820:doi
774:doi
740:doi
650:hdl
642:doi
593:doi
384:in
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