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Chroicocephalus maculipennis : ウィキペディア英語版 | Brown-hooded gull
The brown-hooded gull (''Chroicocephalus maculipennis'') is a species of gull found in Argentina, Brazil, Chile, the Falkland Islands, and Uruguay. Its specific epithet, ''maculipennis'', means 'spotted wings' (''macula'' + ''penna''). It is a white bird with a brown head and red beak and feet. ==Description==
The mature bird has a dark brown head and throat with a white semicircle around the posterior part of the eye, while the neck, chest and abdomen are white. The beak and legs are red. The primary flight feathers are dark gray, while the secondaries and covert feathers are a lighter gray. This bird may be confused with the Franklin's gull. There is no significant sexual dimorphism.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Brown-hooded gull」の詳細全文を読む
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