海雀科|扁嘴海雀属
学名:Synthliboramphus antiquus
英名:Ancient Murrelet
形态:小型水鸟,体长21-27cm。整体呈黑白色,嘴短,呈圆锥形,白色。夏羽头无羽冠,背蓝灰,下体白色,喉黑,白色的眉纹呈散开形。冬羽眉纹及喉部的黑色消失。飞行时翼下白色,前后缘均色深,腋羽色暗。
虹膜褐色;嘴象牙白,嘴端深色;脚灰色。
分布:中国东部沿海部分地区有分布。在保护区属少见的夏候鸟。
习性:繁殖期筑巢于海岸、岛屿的岩石上,冬季栖息于开阔的海洋中。善潜水。主要以海洋无脊椎动物和小鱼为食。
ID: Small water bird.Body length 21-27cm.Overall black and white.White bill short, conical.Adult breeding has no crest, mantle bluish grey, underbody white.Throat black and white line of hoary feathers from behind eye to nape-sides, which are lacking in non-breeding plumage.In flight underwing white, both leading and trailing edges dark, axillaries dark.
BP: Eyes brown; bill ivory, dark at tip; tarsi grey.
SD: Rare summer visitor.
HH: Nests in rock crevices and rock piles at coastal cliffs and offshore islands.Winters in open sea.Often dives to feed mainly on oceanic invertebrates and fish.
扁嘴海雀[摄影 韩永祥]
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