Black-tailed Gull vs Little Tern
Larus crassirostris so với Sternula albifrons
Side-by-Side Comparison
| Thuộc Tính | Black-tailed Gull | Little Tern |
|---|---|---|
| Tên Khoa Học | Larus crassirostris | Sternula albifrons |
| 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) | 33,9 cm (13.3 in) |
| Khối Lượng | 675,0 g (23.81 oz) | 55,0 g (1.94 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 2-3 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Black-tailed Gull only
Không
Little Tern only
Tình Trạng Bảo Tồn
Least Concern
Black-tailed Gull
Least Concern
Little 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.
Little Tern
Little Tern is one of the world's smallest terns, 21–25 cm, breeding along coastlines and rivers across Europe, Asia, Africa, and Australia. White below, grey above, with a yellow bill tipped black and a white forehead patch. Hovers and plunge-dives for small fish. Migratory; winters in tropical coasts.