Black-tailed Gull vs Bridled Tern
Larus crassirostris so với Onychoprion anaethetus
Side-by-Side Comparison
| Thuộc Tính | Black-tailed Gull | Bridled Tern |
|---|---|---|
| Tên Khoa Học | Larus crassirostris | Onychoprion anaethetus |
| 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) | 54,7 cm (21.5 in) |
| Khối Lượng | 675,0 g (23.81 oz) | 129,13333333333333 g (4.56 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 2-3 | 1 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Black-tailed Gull
Least Concern
Bridled Tern
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.
Bridled Tern
Bridled Tern, 30–32 cm, breeds on tropical islands across the Indo-Pacific and Atlantic. Dark brownish-black above with a white forehead stripe extending behind the eye — the diagnostic 'bridle'. Pelagic outside breeding; piscivore, takes fish and squid at the surface.