鹬科|滨鹬属
学名:Calidris alpina
英名:Dunlin
形态:小型涉禽,体长16-22cm。嘴较长,尖端微向下弯曲。夏季背栗红色具黑色中央斑和白色羽缘。眉纹白色。下体白色,颊至胸有黑褐色细纵纹。腹中央黑色,呈大型黑斑。冬羽上体灰褐色,下体白色,胸侧缀灰褐色。飞翔时翅上有显著的白色翅带,腰和尾黑色,腰和尾的两侧为白色。
虹膜褐色;嘴黑色;脚黑色。
分布:中国东北及东部部分地区有分布。在保护区属很常见的旅鸟。
习性:栖息于冻原、高原和平原地区的湖泊、河流等水域岸边或沼泽草地。喜滩涂地带。主要甲壳类、软体动物、蠕虫等小型无脊椎动物为食。
ID: Small wading bird.Body length 16-22cm.Bill long and droop-tipped.Adult breeding upperparts rufous with black central markings and white fringes.Supercilium white.Underbody white, with fine black streaks from cheeks to breast, and large black patch on central belly.Non-breeders upperbody greyish brown and underbody white with greyish brown wash on breast sides.In flight, white wing bars prominent, rump and tail black with white sides.
BP: Eyes brown; bill black; tarsi black.
SD: Fairly common migrant.
HH: Frequents lakesides, riversides and boggy meadows in arctic tundras, plateaus and plains, and mudflats.Feeds mainly on such as crustaceans, molluscs and worms.
黑腹滨鹬
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