Black-tailed Gull vs Roseate Tern
Larus crassirostris से तुलना Sterna dougallii
Side-by-Side Comparison
| विशेषता | Black-tailed Gull | Roseate Tern |
|---|---|---|
| वैज्ञानिक नाम | Larus crassirostris | Sterna dougallii |
| गण | Charadriiformes | Charadriiformes |
| कुल | Laridae | Laridae |
| संरक्षण स्थिति | Least Concern | Least Concern |
| लंबाई | — | — |
| पंखों का फैलाव | 72.8 cm (28.7 in) | 44.8 cm (17.6 in) |
| वजन | 675.0 g (23.81 oz) | 114.33333333333333 g (4.03 oz) |
| आहार | -- | -- |
| अंडों की संख्या | 2-3 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
संरक्षण स्थिति
Least Concern
Black-tailed Gull
Least Concern
Roseate Tern
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.
Roseate Tern
Roseate Tern, 33–36 cm, is a globally distributed but declining species, breeding on both sides of the Atlantic, Indian Ocean, and Pacific. Nearly white with a rosy flush to breast in spring, very long tail streamers, and mostly black bill. Plunge-dives for small fish. Endangered in parts of range.