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Grey back, black wing tips with few white spots, red spot on the bill as adults, red ring around the eye.
First-year birds have a dark bill and eyes, pinkish grey legs, dark flight feathers and a well-defined black band on the tail. By their second winter, birds are essentially feathered like adults, apart from the patterned feathers remaining on the wing coverts. However, their billtips are black, their eyes still dark, and the legs are a light yellow.
ID discussion on how to distinguish Caspian (L. cachinnans) and Yellow-legged Gull (L. michahellis and L. m. atlantis).
Western birds (subspecies atlantis) has a darker mantle than more easterly birds.
Caspian Gull is included by some authorities in Yellow-legged Gull. The scientific name for the species would then be Larus cachinnans.
Subspecies of the Yellow-legged Gull:
Fields and coasts.
They are scavengers and hunt suitable small prey in fields or on the coast, or rob plovers or lapwings of their catches.
They breed in colonies. The nest is a mound of vegetation built on the ground or on cliff ledges. 3 eggs are laid and are incubated for 27-31 days; the young fledge after 35-40 days.
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