Saunders's Gull

Saundersilarus saundersi

Elegant, dark-hooded gull, restricted to coastal East Asia. Small but stout-bodied and long-winged, with a dark bill in all plumages. Adult has a black head in breeding plumage; in all adult plumages, note distinctive white wingtips, unlike Black-headed. Black-headed Gull is generally similar, but larger, with a longer reddish bill and sturdier structure. Juvenile and first winter have black bill, unlike young Black-headed, which has pale reddish or yellowish bill base. Call distinctive, a high-pitched, ternlike “kee-eek.”

识别特征

This is a very small species of gull with a length of just 33 cm (13 in) and, among gulls, only the little gull is smaller. Adults have a black hood and nape during the breeding season. It is very pale with a white body, pale grey wings and a narrow black tail band. The legs and short bill are black and the body is squat. Non-breeding birds have a mottled grey hood and nape, and white-tipped wings with black markings on the primaries.

分类信息

学名
Saundersilarus saundersi
命名信息
(Swinhoe, 1871)
Charadriiformes
Laridae
Saundersilarus

分布与栖息地

Saunders's gull breeds in eastern China and the west coast of Korea. It breeds in saltmarshes dominated by the seepweed (Suaeda glauca). It overwinters in southern China, Hong Kong, Macau, Taiwan, South Korea, southwestern Japan and Vietnam. Its winter habitats are estuaries and aquaculture ponds and some populations move inland to lakes and marshes.

繁殖区
PAL : coastal Liaoning to Jiangsu (Yellow Sea, e China) and Songdo (nw South Korea)
非繁殖区
coasts of East China Sea from Japan and Korean Pen. to Taiwan and n South China Sea to n Vietnam
迁徙
Complete migrants

保护状况

种群趋势
declining

照片

分布

鸟叫声

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