Black-tailed Gull vs Yellow-billed Tern
Larus crassirostris เปรียบเทียบกับ Sternula superciliaris
Side-by-Side Comparison
| คุณสมบัติ | Black-tailed Gull | Yellow-billed Tern |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Larus crassirostris | Sternula superciliaris |
| อันดับ | Charadriiformes | Charadriiformes |
| วงศ์ตระกูล | Laridae | Laridae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 72.8 cm (28.7 in) | 33.8 cm (13.3 in) |
| น้ำหนัก | 675.0 g (23.81 oz) | 47.800000000000004 g (1.69 oz) |
| อาหาร | -- | -- |
| จำนวนไข่ | 2-3 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
สถานะการอนุรักษ์
Least Concern
Black-tailed Gull
Least Concern
Yellow-billed 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.
Yellow-billed Tern
Yellow-billed Tern, 22–24 cm, is a freshwater tern of the Amazon and Orinoco river systems in South America. Yellow bill and legs, grey back, black cap. Piscivore; hovers over rivers and lakes, diving for small fish. Resident year-round along major tropical waterways.