Black-tailed Gull vs Western Gull
Larus crassirostris से तुलना Larus occidentalis
Side-by-Side Comparison
| विशेषता | Black-tailed Gull | Western Gull |
|---|---|---|
| वैज्ञानिक नाम | Larus crassirostris | Larus occidentalis |
| गण | Charadriiformes | Charadriiformes |
| कुल | Laridae | Laridae |
| संरक्षण स्थिति | Least Concern | Least Concern |
| लंबाई | — | — |
| पंखों का फैलाव | 72.8 cm (28.7 in) | 79.5 cm (31.3 in) |
| वजन | 675.0 g (23.81 oz) | 957.5 g (33.77 oz) |
| आहार | -- | -- |
| अंडों की संख्या | 2-3 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
संरक्षण स्थिति
Least Concern
Black-tailed Gull
Least Concern
Western 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.
Western Gull
Western Gull, 55–68 cm, is the dominant large gull on the US Pacific coast from Washington to Baja California. Dark-mantled with pink legs, yellow bill with red spot. Omnivore; breeds on offshore islands, scavenges at harbours and landfills. Non-migratory; resident along its breeding coast.