ML639213680

視聴覚メディア・ノート

Overview shot of 4 Bonaparte's gulls in water with Common Eider

観察結果の詳細

*High count. Three adults and one juvenile or first summer. Adults with black head not extending too far past top of head (different from nearby Laughing gulls which extended to neck) white arcs on top and bottom of eye, dark bill, reddish legs. Clean gray and white wings with bit of black along tip edges. Smaller than nearby Laughing and Ring-billed gulls. Juvenile/first summer with dark bill and grayish spot behind eye with dark head coloration beginning to form. Staying together as small group of 4. Will attach photos.

追加される種

• Common Eider Somateria mollissima