Black-tailed Gull vs Ross's Gull
Larus crassirostris से तुलना Rhodostethia rosea
Side-by-Side Comparison
| विशेषता | Black-tailed Gull | Ross's Gull |
|---|---|---|
| वैज्ञानिक नाम | Larus crassirostris | Rhodostethia rosea |
| गण | Charadriiformes | Charadriiformes |
| कुल | Laridae | Laridae |
| संरक्षण स्थिति | Least Concern | Least Concern |
| लंबाई | — | — |
| पंखों का फैलाव | 72.8 cm (28.7 in) | 50.2 cm (19.8 in) |
| वजन | 675.0 g (23.81 oz) | 185.0 g (6.53 oz) |
| आहार | -- | -- |
| अंडों की संख्या | 2-3 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
संरक्षण स्थिति
Least Concern
Black-tailed Gull
Least Concern
Ross's 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.
Ross's Gull
Ross's Gull, 29–32 cm, is a delicate Arctic gull breeding in Siberian tundra, with its winter range largely unknown — possibly far out in the pack ice. Rosy flush to underparts in breeding plumage; wedge-shaped tail; black neck ring. Feeds on invertebrates and small fish along ice edges.