Black-tailed Gull vs Great Black-backed Gull
Larus crassirostris compared with Larus marinus
Side-by-Side Comparison
| Attribute | Black-tailed Gull | Great Black-backed Gull |
|---|---|---|
| Scientific Name | Larus crassirostris | Larus marinus |
| Order | Charadriiformes | Charadriiformes |
| Family | Laridae | Laridae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 72.8 cm (28.7 in) | 95.6 cm (37.6 in) |
| Weight | 675.0 g (23.81 oz) | 1678.3333333333333 g (59.20 oz) |
| Diet | -- | -- |
| Clutch Size | 2-3 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Shared Habitats
Black-tailed Gull only
None
Great Black-backed Gull only
Conservation Status
Least Concern
Black-tailed Gull
Least Concern
Great Black-backed 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.
Great Black-backed Gull
Great Black-backed Gull, 61–74 cm, wingspan 142–168 cm, is the world's largest gull, breeding along North Atlantic coasts. Jet-black mantle, white body, massive yellow bill. Dominant predator among seabirds; preys on seabird chicks, puffins, rabbits, as well as scavenging. Partially migratory.