Short-billed Gull vs Black-tailed Gull
Larus brachyrhynchus so với Larus crassirostris
Side-by-Side Comparison
| Thuộc Tính | Short-billed Gull | Black-tailed Gull |
|---|---|---|
| Tên Khoa Học | Larus brachyrhynchus | Larus crassirostris |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Not Evaluated | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | — | 72,8 cm (28.7 in) |
| Khối Lượng | 395,0 g (13.93 oz) | 675,0 g (23.81 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-5 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Short-billed Gull only
Black-tailed Gull only
Không
Tình Trạng Bảo Tồn
Not Evaluated
Short-billed Gull
Least Concern
Black-tailed Gull
About These Birds
Short-billed Gull
Short-billed Gull, 40–45 cm, breeds in interior Alaska and western Canada, wintering on the Pacific coast. Recently split from Common Gull; slightly smaller with a shorter bill and more rounded head. Omnivore; often inland on grasslands and agricultural fields during migration. Migratory.
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.