Laughing Gull vs Black-tailed Gull
Larus atricilla so với Larus crassirostris
Side-by-Side Comparison
| Thuộc Tính | Laughing Gull | Black-tailed Gull |
|---|---|---|
| Tên Khoa Học | Larus atricilla | Larus crassirostris |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 59,7 cm (23.5 in) | 72,8 cm (28.7 in) |
| Khối Lượng | 307,3333333333333 g (10.84 oz) | 675,0 g (23.81 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 2-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Laughing Gull
Least Concern
Black-tailed Gull
About These Birds
Laughing Gull
Laughing Gull, 36–41 cm, is a medium-sized gull of Atlantic and Caribbean coasts, with a distinctive laughing call. Breeding adult has a full black hood, dark red bill. Omnivore; follows fishing boats, scavenges at beaches, steals prey from Brown Pelicans. Migratory; winters to northern South America.
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.