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Mediterranean gull
The Mediterranean gull (''Ichthyaetus melanocephalus'') is a small gull which breeds almost entirely in the Western Palearctic, mainly in the south east, especially around the Black Sea, and in central Turkey. There are colonies elsewhere in southern Europe, and this species has undergone a dramatic range expansion in recent decades. Birders often abbreviate its name to "Med gull". As is the case with many gulls, it has traditionally been placed in the genus ''Larus''.
==Description==
The Mediterranean gull is slightly larger and bulkier than the black-headed gull with a heavier bill and longer, darker legs. The breeding plumage adult is a distinctive white gull, with a very pale grey mantle and wings with white primary feathers without black tips. The black hood extends down the nape and shows a distinct white eye crescents.〔Peterson, R., Mountfort, G. and Hollom, P.A.S. 1967. ''A Field Guide to the Birds of Britain and Europe.'' Collins〕 The blunt tipped, parallel sided, dark red bill has a black subterminal band. The non breeding adult is similar but the hood is reduced to an extensive dusky "bandit" mask through the eye. This bird takes two years to reach maturity. First year birds have a black terminal tail band and more black areas in the upperwings, but have pale underwings.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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