White-winged Tern vs Black-tailed Gull
Chlidonias leucopterus so với Larus crassirostris
Side-by-Side Comparison
| Thuộc Tính | White-winged Tern | Black-tailed Gull |
|---|---|---|
| Tên Khoa Học | Chlidonias leucopterus | Larus crassirostris |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 41,6 cm (16.4 in) | 72,8 cm (28.7 in) |
| Khối Lượng | 60,5 g (2.13 oz) | 675,0 g (23.81 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 2-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Black-tailed Gull only
Không
Tình Trạng Bảo Tồn
Least Concern
White-winged Tern
Least Concern
Black-tailed Gull
About These Birds
White-winged Tern
White-winged Tern, 20–23 cm, breeds in wetlands from Eastern Europe to Central Asia and winters in sub-Saharan Africa, South Asia, and Australia. Breeding male: jet-black body contrasting with white wings. Insectivore; dips over marshes and rice paddies. Long-distance migrant.
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.