第二年 © Ian Davies
第二年 © Ian Davies
第一年 © David Vander Pluym
第一年 © Ryan O'Donnell
+ 5
第一年 © Ian Davies
第一年 © Ian Davies
成鳥 © Ian Davies
第一年 © Ian Davies

Yellow-footed Gull Larus livens

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辨識

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Large, dark-backed, and stout-billed gull. Adult has dark slaty gray back like Western Gull, but note the rich yellow legs. Immature plumages look much like Western Gull and other large gulls; overall brown in first year with pinkish legs, developing gray back and yellow legs in second year. Restricted range around the Gulf of California in Mexico; some disperse north to the Salton Sea in California. Favors beaches, rocky and muddy intertidal habitats, and fishing harbors.

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