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Difference between revisions of "Pigeon Guillemot" - BirdForum Opus

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(→‎Identification: Layout, fixed typos; added juvenile plumage and similar species.)
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[[Image:New_Pigeon_Guillemot.jpg|thumb|550px|right|Photo &copy; by {{user|bobsofpa|bobsofpa}}<br/ >Montana de Oro State Park, [[California]], [[USA]],  1 June 2007]]
 
;[[:Category:Cepphus|Cepphus]] columba
 
;[[:Category:Cepphus|Cepphus]] columba
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[[Image:New_Pigeon_Guillemot.jpg|thumb|550px|right|Photo &copy; by {{user|bobsofpa|bobsofpa}}<br/ >Montana de Oro State Park, [[California]], [[USA]], June 2007]]
 
 
==Identification==
 
==Identification==
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[[Image:Pigeon_Guillemot.jpg|thumb|300px|right|Winter Plumage<br />Photo &copy; by {{user|jvhigbee|jvhigbee}}<br/ >Tacoma, [[Washington]], USA.]]
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[[Image:Pigeon_Guillemot.jpg|thumb|350px|right|Winter Plumage<br />Photo &copy; by {{user|jvhigbee|jvhigbee}}<br/ >Tacoma, [[Washington]], [[USA]], 6 December 2003]]
 
Length 33-35cm (13-14in).  <br />
 
Length 33-35cm (13-14in).  <br />
 
A mostly black bird with a prominent white wing patch bisected by a black bar or wedge.  The webbed feet and legs are bright reddish-orange.  The body is tapered for underwater swimming prowess, and terminates in a long, thin, black bill.  In flight, the underwings and axillaries can be seen to be dusky gray.  <br />
 
A mostly black bird with a prominent white wing patch bisected by a black bar or wedge.  The webbed feet and legs are bright reddish-orange.  The body is tapered for underwater swimming prowess, and terminates in a long, thin, black bill.  In flight, the underwings and axillaries can be seen to be dusky gray.  <br />
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==Taxonomy==
 
==Taxonomy==
 
====Subspecies<sup>[[#References|[1]]]</sup>====
 
====Subspecies<sup>[[#References|[1]]]</sup>====
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[[Image:1117041227 Pigeon Guillemot 2278.jpg|thumb|350px|right|Non-breeding plumage<br />Photo &copy; by {{user|Glen+Tepke|Glen Tepke}}<br />Monterey Bay, Monterey County, [[California]], [[USA]], 27 December 2004]]
 
Five subspecies are recognized:
 
Five subspecies are recognized:
 
* ''C. c. columba'':
 
* ''C. c. columba'':
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* ''C. c. eureka'':
 
* ''C. c. eureka'':
 
:*[[Oregon]], [[California]]
 
:*[[Oregon]], [[California]]
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[[Image:1117041227 Pigeon Guillemot 2278.jpg|thumb|350px|right|Non-breeding<br />Photo &copy; by {{user|Glen+Tepke|Glen Tepke}}<br />Monterey Bay, Monterey County, [[California]], [[USA]], December 2004]]
 
 
==Habitat==
 
==Habitat==
 
Rocky shores, cliffs and islands.
 
Rocky shores, cliffs and islands.

Revision as of 08:17, 28 March 2020

Photo © by bobsofpa
Montana de Oro State Park, California, USA, 1 June 2007
Cepphus columba

Identification

Winter Plumage
Photo © by jvhigbee
Tacoma, Washington, USA, 6 December 2003

Length 33-35cm (13-14in).
A mostly black bird with a prominent white wing patch bisected by a black bar or wedge. The webbed feet and legs are bright reddish-orange. The body is tapered for underwater swimming prowess, and terminates in a long, thin, black bill. In flight, the underwings and axillaries can be seen to be dusky gray.
Winter birds are white underneath and mottled gray above.
Juveniles are similar to winter adults but white wing panel reduced to white tips.

Similar Species

Black Guillemot has white underwings in all plumages.

Distribution

Pacific coast of North America from Alaska to California. (see Taxonomy section)

Taxonomy

Subspecies[1]

Non-breeding plumage
Photo © by Glen Tepke
Monterey Bay, Monterey County, California, USA, 27 December 2004

Five subspecies are recognized:

  • C. c. columba:
  • C. c. snowi:
  • Kuril Island
  • C. c. kairuka:
  • Komandorskiye Island to west-central Aleutians
  • C. c adiantus:
  • C. c. eureka:

Habitat

Rocky shores, cliffs and islands.

Behaviour

Actions

Swims underwater in pursuit of food using its wings. Gathers small fish near the ocean bottom.

Breeding

Nests are made in rocky cavities. The clutch consists of 2 eggs.

Diet

Includes fish and other aquatic animals.

Movements

Spring and autumn migrations poorly known, as are details of winter range. Generally winters at sea. Southernmost breeding populations apparently move north in the winter.

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2019. The eBird/Clements Checklist of Birds of the World: v2019. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Wikipedia contributors. (2020, January 1). Pigeon guillemot. In Wikipedia, The Free Encyclopedia. Retrieved 07:47, March 28, 2020, from https://en.wikipedia.org/w/index.php?title=Pigeon_guillemot&oldid=933584929
  3. Ewins, P. J. (2020). Pigeon Guillemot (Cepphus columba), version 1.0. In Birds of the World (A. F. Poole and F. B. Gill, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.piggui.01
  4. Nettleship, D.N., Boesman, P. & Garcia, E.F.J. (2020). Pigeon Guillemot (Cepphus columba). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from https://www.hbw.com/node/54064 on 28 March 2020).

Recommended Citation

External Links

Retrieved from ‘https://www.birdforum.net/wiki/index.php?title=Pigeon_Guillemot&oldid=241378’
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