Whiskered Tern vs Black-tailed Gull
Chlidonias hybrida เปรียบเทียบกับ Larus crassirostris
Side-by-Side Comparison
| คุณสมบัติ | Whiskered Tern | Black-tailed Gull |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Chlidonias hybrida | Larus crassirostris |
| อันดับ | Charadriiformes | Charadriiformes |
| วงศ์ตระกูล | Laridae | Laridae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 46.4 cm (18.3 in) | 72.8 cm (28.7 in) |
| น้ำหนัก | 84.5 g (2.98 oz) | 675.0 g (23.81 oz) |
| อาหาร | -- | -- |
| จำนวนไข่ | 2-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
สถานะการอนุรักษ์
Least Concern
Whiskered Tern
Least Concern
Black-tailed Gull
About These Birds
Whiskered Tern
Whiskered Tern, 23–25 cm, is a marsh tern breeding from Europe and Africa to Asia and Australia. Breeding plumage: dark grey below, black cap, red bill. Forages over freshwater marshes, dipping for insects and small fish. Short-distance migrant; winters in sub-Saharan Africa and South Asia.
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.