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California Gull

From Opus

Photo by bobsofpaSalton Sea State Recreation Area, California, USA, May 2007
Photo by bobsofpa
Salton Sea State Recreation Area, California, USA, May 2007
Larus californicus

Contents

[edit] Identification

A medium sized white-headed gull, in between Ring-billed Gull and Herring Gull with darker grey back, yellow legs, dark eye, and red and black marks on slightly longer bill than Ring-billed.

[edit] Similar Species

First Summer (2cy) Photo by bobsofpaGoleta Beach County Park, California, USA, May 2007
First Summer (2cy)
Photo by bobsofpa
Goleta Beach County Park, California, USA, May 2007

Ring-billed Gull is smaller with lighter back, pale eye, and broad black ring on bill. 1st winter Ring-billed similar to 2nd winter California but back much lighter grey, and pink legs (California 2nd winter have blueish legs).
Herring Gull is much larger Adult similar but with larger bill with red spot but no ring, pink legs, pale eye, more extensive streaking on neck.

[edit] Distribution

Breeds in the great plains and rocky mountain regions of the United States and Canada. Winters along the pacific coast from British Columbia south to Mexico. Rare but regular vagrant to Texas. Casual vagrant to eastern United States.

Accidental vagrant to Alaska, Yukon Territory and Japan.

[edit] Taxonomy

Photo by janrussCape Meares, Oregon, October 2005
Photo by janruss
Cape Meares, Oregon, October 2005

[edit] Subspecies[1]

This is a polytypic species consisting of two subspecies:

  • L. c. californicus:
  • L. c. albertaensis:

[edit] Habitat

[edit] Behaviour

[edit] Breeding

They nest in a shallow depression on the ground lined with vegetation and feathers. The clutch consists of 2-3 eggs which are tended both parents.

[edit] Diet

The diet includes eat insects, fish and eggs. They scavenge.

[edit] References

  1. Clements, JF. 2009. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2009. Ithaca: Cornell Univ. Press. ISBN 978-0801445019.
  2. Wikipedia

[edit] External Links

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