Black-tailed Gull vs Ring-billed Gull
Larus crassirostris से तुलना Larus delawarensis
Side-by-Side Comparison
| विशेषता | Black-tailed Gull | Ring-billed Gull |
|---|---|---|
| वैज्ञानिक नाम | Larus crassirostris | Larus delawarensis |
| गण | Charadriiformes | Charadriiformes |
| कुल | Laridae | Laridae |
| संरक्षण स्थिति | Least Concern | Least Concern |
| लंबाई | — | — |
| पंखों का फैलाव | 72.8 cm (28.7 in) | 73.2 cm (28.8 in) |
| वजन | 675.0 g (23.81 oz) | 500.0 g (17.64 oz) |
| आहार | -- | -- |
| अंडों की संख्या | 2-3 | 3 |
| Population Trend | — | — |
Habitat Comparison
संरक्षण स्थिति
Least Concern
Black-tailed Gull
Least Concern
Ring-billed 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.
Ring-billed Gull
Ring-billed Gull, 43–54 cm, is North America's most abundant gull, breeding on lakes from the Great Plains to the Great Lakes and wintering on all coasts. Adult has a distinctive black ring near bill tip, yellow legs. Omnivore; thrives on garbage, parking lots, and agricultural fields.