Black-tailed Gull vs Hartlaub's Gull
Larus crassirostris से तुलना Larus hartlaubii
Side-by-Side Comparison
| विशेषता | Black-tailed Gull | Hartlaub's Gull |
|---|---|---|
| वैज्ञानिक नाम | Larus crassirostris | Larus hartlaubii |
| गण | Charadriiformes | Charadriiformes |
| कुल | Laridae | Laridae |
| संरक्षण स्थिति | Least Concern | Least Concern |
| लंबाई | — | — |
| पंखों का फैलाव | 72.8 cm (28.7 in) | 54.0 cm (21.3 in) |
| वजन | 675.0 g (23.81 oz) | 287.5 g (10.14 oz) |
| आहार | -- | -- |
| अंडों की संख्या | 2-3 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
संरक्षण स्थिति
Least Concern
Black-tailed Gull
Least Concern
Hartlaub'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.
Hartlaub's Gull
Hartlaub's Gull, 38–40 cm, is endemic to the Benguela Current coast of Namibia and South Africa. White with grey mantle, dark red bill. Resident; forages on beaches, at harbours, and over cold upwelling waters for fish offal and marine invertebrates. Population stable but range restricted.