Black-tailed Gull vs Red-legged Kittiwake
Larus crassirostris से तुलना Rissa brevirostris
Side-by-Side Comparison
| विशेषता | Black-tailed Gull | Red-legged Kittiwake |
|---|---|---|
| वैज्ञानिक नाम | Larus crassirostris | Rissa brevirostris |
| गण | Charadriiformes | Charadriiformes |
| कुल | Laridae | Laridae |
| संरक्षण स्थिति | Least Concern | Vulnerable |
| लंबाई | — | — |
| पंखों का फैलाव | 72.8 cm (28.7 in) | 60.0 cm (23.6 in) |
| वजन | 675.0 g (23.81 oz) | 401.6666666666667 g (14.17 oz) |
| आहार | -- | -- |
| अंडों की संख्या | 2-3 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
संरक्षण स्थिति
Least Concern
Black-tailed Gull
Vulnerable
Red-legged Kittiwake
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.
Red-legged Kittiwake
Red-legged Kittiwake, 35–39 cm, has a very restricted range on only four Aleutian and Pribilof Island colonies, with a world population under 200,000. Resembles Black-legged Kittiwake but with bright red legs, darker upperparts, and white underwing tips. Pelagic piscivore; Vulnerable and declining.