Black-tailed Gull vs Brown-hooded Gull
Larus crassirostris so với Larus maculipennis
Side-by-Side Comparison
| Thuộc Tính | Black-tailed Gull | Brown-hooded Gull |
|---|---|---|
| Tên Khoa Học | Larus crassirostris | Larus maculipennis |
| 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) | 58,2 cm (22.9 in) |
| Khối Lượng | 675,0 g (23.81 oz) | 364,5 g (12.86 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 2-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Black-tailed Gull only
Không
Brown-hooded Gull only
Tình Trạng Bảo Tồn
Least Concern
Black-tailed Gull
Least Concern
Brown-hooded 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.
Brown-hooded Gull
Brown-hooded Gull, 35–38 cm, breeds on freshwater lakes and coastal areas of southern South America from Chile to Argentina. Reddish bill, brown-chocolate hood in breeding plumage. Coastal and inland omnivore; follows fishing boats and ploughs. Winters north along both coasts.