Black-tailed Gull vs White-eyed Gull
Larus crassirostris เปรียบเทียบกับ Larus leucophthalmus
Side-by-Side Comparison
| คุณสมบัติ | Black-tailed Gull | White-eyed Gull |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Larus crassirostris | Larus leucophthalmus |
| อันดับ | Charadriiformes | Charadriiformes |
| วงศ์ตระกูล | Laridae | Laridae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 72.8 cm (28.7 in) | 64.4 cm (25.4 in) |
| น้ำหนัก | 675.0 g (23.81 oz) | 343.3333333333333 g (12.11 oz) |
| อาหาร | -- | -- |
| จำนวนไข่ | 2-3 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
สถานะการอนุรักษ์
Least Concern
Black-tailed Gull
Least Concern
White-eyed Gull
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.
White-eyed Gull
White-eyed Gull, 39–43 cm, is restricted to the Red Sea and adjacent Aden Gulf. Slender black bill, black hood, yellow-green eye-ring. Piscivore; forages in rocky coastal waters and at fishing harbours. Small range concentrated in politically sensitive areas; Near Threatened. Resident year-round.