Black-tailed Gull vs Saunders's Tern
Larus crassirostris so với Sternula saundersi
Side-by-Side Comparison
| Thuộc Tính | Black-tailed Gull | Saunders's Tern |
|---|---|---|
| Tên Khoa Học | Larus crassirostris | Sternula saundersi |
| 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) | 33,6 cm (13.2 in) |
| Khối Lượng | 675,0 g (23.81 oz) | 41,825 g (1.48 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 2-3 | 2 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Black-tailed Gull
Least Concern
Saunders's 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.
Saunders's Tern
Saunders's Tern, 22–24 cm, is a small coastal tern of the Red Sea, Persian Gulf, and Indian Ocean coasts. Very similar to Little Tern; separated by darker outer primaries and slightly smaller size. Piscivore; hovers and dives in shallow coastal waters and tidal mudflats.