鸻科| 鸻屬

學名：Charadrius mongolus

英名：Lesser Sand Plover

形態(tài)：小型涉禽，體長18-20cm。上體灰褐色。嘴粗短，黑色。腳暗綠色。夏季雄鳥頰和喉白色；額有黑帶；胸和頸棕紅色，頦、喉白色，其后有一黑色細線，界于胸的棕紅色之間。其余下體白色。雌鳥和雄鳥大體相似，但額無黑斑；冬季胸部棕紅色消失，僅具窄的褐色胸帶，貫眼紋褐色，眉紋白色。飛翔時翅上具顯著的白色翼帶。

虹膜褐色；嘴黑色；腿深灰色。

分布：中國東北及東部沿海地區(qū)有分布。在保護區(qū)屬常見的旅鳥。

習性：常在沿海泥灘及沙灘活動，與其他涉禽混群，冬季常集成大群活動。主要以昆蟲、小型甲殼類和軟體動物為食。

ID: Small wading bird.Body length 18-20cm.Upperbody greyish brown and underbody white.Bill short and black.Legs dark green.Breeding male has white cheeks and throat， black forecrown.Neck and breast rufous， chin and throat white finely bordered black.Female similar but has no black on forecrown.Non-breeders lack rufous breast band， and have only narrow brown breast sides， brown eye-stripe and white supercilium.White wing bar conspicuous in flight.

BP: Eyes brown； bill black； tarsi dark grey.

SD: Common migrant.

HH: Frequents coastal mud and sand flats， often with other shorebirds.Forms large flocks in winter.Feeds mainly on insects， small crustaceans and molluscs.

蒙古沙鸻