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in
October, although timing varies greatly, more so than in most other storm petrels; some pairs may have a chick that is half grown when other pairs are still laying. Like in many other seabirds, pairs show both mate and site fidelity, mating in the same pair with the same mate for many years and
364:
nesting at the same burrow, despite the pairs spending their lives out of the breeding season separate from each other, and despite the fact that many individuals might seem to compete for burrows at the nesting colonies. A change in mate is usually associated with a change in nesting site.
430:
The world population is estimated to be around 10,000 birds, 8,000 of them breeders, with the
Farallon population having declined by one-third between 1972 and 1992. The ashy storm petrel is designated as a species of conservation concern in California. It is threatened by
407:. Bat Cave, on the north side of Santa Cruz Island in Southern California, has the largest nesting colony for the ashy storm petrel in the world, with over 100 nests. Outside of the breeding season, it is believed to be more widely distributed, foraging on the
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could have a profound impact on ashy storm petrels. Future changes to coastal
California waters due to global warming could result in warmer, less productive waters, which would mean less food would be available for the petrels. In addition,
319:, but it is smaller and has a more fluttering style of flight, with the upstroke only becoming horizontal to the body before beginning the downstroke (other storm petrels in its range have a higher upstroke).
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Ashy storm petrels nest in rock burrows on offshore islands, returning to the nests at night. The species has a long breeding cycle, laying eggs in May and
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Grebes, Loons, Alcids, Gulls, Terns, Albatross and other tubenoses, Cormorants and related species, AOU Numbers 001.0–128.0 Longevity
Records
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and does not range as far as other species of storm petrels. In the early fall, large flocks can be seen in
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603:"Some unusual records for San Mateo County, California. Abstract in the Minutes of Cooper Club Meetings"
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This is a small, uniformly sooty-brown storm petrel with a forked tail, closely resembling the
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United States
Geological Survey (USGS) (2006): Patuxent Wildlife Research Center –
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will also threaten certain nesting sites that would be located too close to water.
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451:. Most of the islands where it breeds are covered by some degree of protection.
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The ashy storm petrel was first described by
American ornithologist
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334:, which rise to the sea's surface at night) and euphausiid
387:, but including a few sites off the coast of northwestern
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Ashy storm petrels breed on 17 islands in the northeast
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It is a gregarious bird at sea, feeding nocturnally on
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Native birds of the West Coast of the United States
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745:
519:10.2305/IUCN.UK.2018-2.RLTS.T22698562A132653646.en
1166:Fauna of the California chaparral and woodlands
276:in 1864. Both its common and scientific name,
570:. Version of July, 2006. Retrieved 2006-SEP-4.
466:prey species due to the effects that excess CO
367:The ashy storm petrel is a long-lived bird; a
703:. Oxford University Press, Oxford, New York.
8:
439:predation, illumination from fishing boats,
423:was considered "unusual" by an experienced
399:. Other breeding islands include the eight
391:. Half the world's population nests on the
1171:Fauna of the Channel Islands of California
733:
195:
48:
29:
20:
644:Benstead, Phil, and James Gilroy (2009).
541:"Taxonomic Updates – IOC World Bird List"
517:
701:Albatrosses and Petrels across the World
371:individual has lived at least 31 years.
483:
301:before that genus was synonymized with
665:Ainley, D. (1995): Ashy Storm Petrel (
581:"Channel Islands Kayaking Information"
295:It was formerly defined in the genus
292:) "color", come from its coloration.
7:
689:, Washington, D.C. Online version.
505:IUCN Red List of Threatened Species
403:and a small population on Mexico's
470:will have on the animals' shells.
14:
1186:Endangered fauna of North America
721:Ashy storm petrel Species Account
673:Poole, A. & Gill, F. (eds.):
375:Distribution, status, and threats
1146:IUCN Red List endangered species
73:
494:BirdLife International (2018).
383:, principally off the coast of
1176:Endangered fauna of California
687:American Ornithologists' Union
1:
652:. BirdLife species factsheet.
411:, but it undertakes no large
401:Channel Islands of California
252:on islands off the coasts of
723:– Cornell Lab of Ornithology
421:San Mateo County, California
280:, "uniformly colored", from
1196:Taxa named by Elliott Coues
683:Academy of Natural Sciences
462:may result in a decline of
330:(particularly the deep-sea
1212:
1181:Endangered biota of Mexico
675:The Birds of North America
601:Littlejohn, Chase (1916).
685:, Philadelphia, PA &
512:: e.T22698562A132653646.
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203:
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70:Scientific classification
68:
46:
37:
28:
23:
729:- BirdLife International
699:Brooke, Michael (2004):
566:August 28, 2006, at the
1191:Birds described in 1864
311:Description and ecology
288:), "alike" + "chroma" (
356:
1082:Oceanodroma-homochroa
1038:Paleobiology Database
1025:Paleobiology Database
815:oceanodroma-homochroa
802:Oceanodroma_homochroa
777:Oceanodroma homochroa
747:Oceanodroma homochroa
667:Oceanodroma homochroa
648:Oceanodroma homochroa
588:National Park Service
350:
341:Thysanoessa spinifera
236:) is a small, scarce
214:Oceanodroma homochroa
1094:Cymochorea homochroa
498:Hydrobates homochroa
441:introduced predators
233:Hydrobates homochroa
179:Hydrobates homochroa
646:Ashy Storm Petrel (
460:ocean acidification
40:Conservation status
409:California Current
357:
317:black storm petrel
262:California Current
24:Ashy storm petrel
1133:
1132:
1012:Open Tree of Life
913:ashy-storm-petrel
864:ashy_storm-petrel
739:Taxon identifiers
727:Species factsheet
443:such as rats and
228:ashy storm petrel
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161:H. homochroa
127:Procellariiformes
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660:Further reading
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170:Binomial name
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618:(1): 38–40.
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544:. Retrieved
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523:. Retrieved
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433:western gull
429:
417:Monterey Bay
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248:. It breeds
246:Hydrobatidae
242:storm petrel
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137:Hydrobatidae
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1051:SeaLifeBase
973:Neotropical
921:iNaturalist
771:Wikispecies
525:13 November
324:cephalopods
298:Oceanodroma
1140:Categories
1077:Xeno-canto
546:2021-07-29
478:References
464:crustacean
445:feral cats
425:naturalist
385:California
351:Egg (coll.
332:myctophids
304:Hydrobates
284:(h)omoia (
254:California
250:colonially
148:Hydrobates
55:Endangered
1109:Q28114531
449:pollution
413:migration
405:Coronados
278:homochroa
155:Species:
93:Kingdom:
87:Eukaryota
1103:Wikidata
939:10982450
762:Q1269924
756:Wikidata
564:Archived
361:fledging
338:such as
268:Taxonomy
264:system.
205:Synonyms
133:Family:
107:Chordata
103:Phylum:
97:Animalia
83:Domain:
60:IUCN 3.1
1123:9771948
1017:1021954
903:2482005
632:1362896
590:. 2006.
381:Pacific
244:family
240:of the
238:seabird
189:, 1864)
143:Genus:
123:Order:
113:Class:
58: (
1069:343963
1043:335293
1030:368273
1004:343963
978:asspet
965:126866
952:174634
910:GNAB:
885:EURING
877:asspet
859:Center
838:asspet
810:ARKive
790:asstpe
707:
630:
611:Condor
447:, and
389:Mexico
369:banded
258:Mexico
1064:WoRMS
1056:73540
991:73674
934:IRMNG
872:eBird
851:48C45
835:BOW:
628:JSTOR
606:(PDF)
584:(PDF)
395:near
336:krill
290:χρώμα
286:όμοια
187:Coues
1118:GBIF
999:OBIS
960:NCBI
947:ITIS
926:4069
898:GBIF
828:9535
823:BOLD
705:ISBN
527:2021
510:2018
435:and
353:MHNT
328:fish
256:and
226:The
117:Aves
890:570
846:CoL
797:ADW
786:ABA
691:doi
679:185
671:In:
669:).
620:doi
514:doi
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486:^
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468:2
230:(
185:(
62:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
