Caspian Gull vs Black-tailed Gull
Larus cachinnans so với Larus crassirostris
Side-by-Side Comparison
| Thuộc Tính | Caspian Gull | Black-tailed Gull |
|---|---|---|
| Tên Khoa Học | Larus cachinnans | Larus crassirostris |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 85,4 cm (33.6 in) | 72,8 cm (28.7 in) |
| Khối Lượng | 1090,0 g (38.45 oz) | 675,0 g (23.81 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-4 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Caspian Gull
Least Concern
Black-tailed Gull
About These Birds
Caspian Gull
Caspian Gull, 56–68 cm, breeds around the Black Sea and Caspian Sea, wintering to the Middle East and East Africa. Long parallel-sided bill, rounded head, pale eye with yellowish orbital ring, pinkish legs. Omnivore; scavenges at landfills and forages in agricultural fields. Partially 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.