Black-tailed Gull vs Vega Gull
Larus crassirostris so với Larus vegae
Side-by-Side Comparison
| Thuộc Tính | Black-tailed Gull | Vega Gull |
|---|---|---|
| Tên Khoa Học | Larus crassirostris | Larus vegae |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 72,8 cm (28.7 in) | — |
| Khối Lượng | 675,0 g (23.81 oz) | 1231,75 g (43.45 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 2-3 | -- |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Black-tailed Gull only
Không
Vega Gull only
Tình Trạng Bảo Tồn
Least Concern
Black-tailed Gull
Not Evaluated
Vega Gull
About These Birds
Black-tailed Gull
Black-tailed Gull, 44–48 cm, is common on East Asian coasts from Russia to China, Japan, and Korea. Grey mantle, white body, yellow bill with red spot and black subterminal band, yellow legs. Omnivore; very vocal, known as the 'cat gull' for its mewing calls. Migratory; winters south to Vietnam.
Vega Gull
Vega Gull, 55–68 cm, breeds in Siberia and winters on Pacific coasts from Japan to China. Formerly considered a subspecies of Herring Gull; slightly darker grey mantle, pink-fleshed orbital ring. Omnivore; scavenges at ports and forages along rocky coasts. Migratory; common in East Asian harbours in winter.