Black-tailed Gull vs Cabot's Tern
Larus crassirostris so với Thalasseus acuflavidus
Side-by-Side Comparison
| Thuộc Tính | Black-tailed Gull | Cabot's Tern |
|---|---|---|
| Tên Khoa Học | Larus crassirostris | Thalasseus acuflavidus |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 72,8 cm (28.7 in) | — |
| Khối Lượng | 675,0 g (23.81 oz) | 220,25 g (7.77 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 2-3 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Least Concern
Black-tailed Gull
Not Evaluated
Cabot'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.
Cabot's Tern
Cabot's Tern, 36–41 cm, closely resembles Sandwich Tern and was recently split; breeds along Atlantic and Gulf coasts of North America, wintering to South America. Black cap, yellow-tipped black bill. Coastal piscivore; plunge-dives in shallow bays and lagoons.