Black-tailed Gull vs Pallas's Gull
Larus crassirostris so với Larus ichthyaetus
Side-by-Side Comparison
| Thuộc Tính | Black-tailed Gull | Pallas's Gull |
|---|---|---|
| Tên Khoa Học | Larus crassirostris | Larus ichthyaetus |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 72,8 cm (28.7 in) | 94,2 cm (37.1 in) |
| Khối Lượng | 675,0 g (23.81 oz) | 1413,3333333333333 g (49.85 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 2-3 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Black-tailed Gull
Least Concern
Pallas's 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.
Pallas's Gull
Pallas's Gull, 57–61 cm, is the world's largest hooded gull, breeding on Central Asian lakes and wintering in the Indian Ocean. Massive yellow bill with orange tip, black hood with white eye-crescents. Piscivore; plunge-dives and pirates food from other seabirds. Partially migratory.