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| | **Grey during non-breeding | | **Grey during non-breeding |
| | ====Immature==== | | ====Immature==== |
| - | Resemble non-breeding adults but are darker and browner, and the bill is flesh-coloured or pink till the second winter. | + | Resembles non-breeding adults but are darker and browner, and the bill is flesh-coloured or pink until the second winter. |
| | [[Image:heermannsgull.jpg|thumb|350px|right|Immature Heermann's Gull<br />Photo by {{user|gophish|Ken Harper}}<br />Puerto Vallarta, [[Mexico]], November 2009]] | | [[Image:heermannsgull.jpg|thumb|350px|right|Immature Heermann's Gull<br />Photo by {{user|gophish|Ken Harper}}<br />Puerto Vallarta, [[Mexico]], November 2009]] |
| | | | |
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| | Monotypic. | | Monotypic. |
| | ==Habitat== | | ==Habitat== |
| - | Shores or well out to sea, very rarely inland. | + | Shores or well out to sea, rarely inland, but occurs regularly at Salton Sea in California. |
| | + | |
| | ==Status== | | ==Status== |
| | Classified as '''Near Threatened''' in the 2008 IUCN Red List.<sup>[[#References|1]]</sup> The breeding range is severely restricted; 90% of the population breeds on a single [[Mexico|Mexican]] island. | | Classified as '''Near Threatened''' in the 2008 IUCN Red List.<sup>[[#References|1]]</sup> The breeding range is severely restricted; 90% of the population breeds on a single [[Mexico|Mexican]] island. |
Current revision
- Larus heermanni
[edit] Identification
Medium-sized Gull
- Grey body
- Blackish-grey wings and tail with white edges
- Red bill with black tip
- White head during breeding
[edit] Immature
Resembles non-breeding adults but are darker and browner, and the bill is flesh-coloured or pink until the second winter.
Immature Heermann's Gull
Photo by
Ken HarperPuerto Vallarta,
Mexico, November 2009
[edit] Distribution
United States and Mexico.
[edit] Taxonomy
Monotypic.
[edit] Habitat
Shores or well out to sea, rarely inland, but occurs regularly at Salton Sea in California.
[edit] Status
Classified as Near Threatened in the 2008 IUCN Red List.1 The breeding range is severely restricted; 90% of the population breeds on a single Mexican island.
[edit] Behaviour
[edit] Breeding
Nests colonially on the ground, like many gulls. It lays two or three eggs, greyish buff to buff with grey and brown markings.
[edit] References
- BirdLife International (2008) Species factsheet: Larus heermanni. Downloaded from http://www.birdlife.org on 12/9/2008.
[edit] External Links
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