Caspian Gull vs Black-tailed Gull
Larus cachinnans เปรียบเทียบกับ Larus crassirostris
Side-by-Side Comparison
| คุณสมบัติ | Caspian Gull | Black-tailed Gull |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Larus cachinnans | Larus crassirostris |
| อันดับ | Charadriiformes | Charadriiformes |
| วงศ์ตระกูล | Laridae | Laridae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 85.4 cm (33.6 in) | 72.8 cm (28.7 in) |
| น้ำหนัก | 1090.0 g (38.45 oz) | 675.0 g (23.81 oz) |
| อาหาร | -- | -- |
| จำนวนไข่ | 1-4 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
สถานะการอนุรักษ์
Least Concern
Caspian Gull
Least Concern
Black-tailed Gull
About These Birds
Caspian Gull
Caspian Gull, 56–68 cm, breeds around the Black Sea and Caspian Sea, wintering to the Middle East and East Africa. Long parallel-sided bill, rounded head, pale eye with yellowish orbital ring, pinkish legs. Omnivore; scavenges at landfills and forages in agricultural fields. Partially migratory.
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.