Black-tailed Gull vs Antarctic Tern
Larus crassirostris compared with Sterna vittata
Side-by-Side Comparison
| Attribute | Black-tailed Gull | Antarctic Tern |
|---|---|---|
| Scientific Name | Larus crassirostris | Sterna vittata |
| Order | Charadriiformes | Charadriiformes |
| Family | Laridae | Laridae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 72.8 cm (28.7 in) | 52.0 cm (20.5 in) |
| Weight | 675.0 g (23.81 oz) | 151.0 g (5.33 oz) |
| Diet | -- | -- |
| Clutch Size | 2-3 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Black-tailed Gull
Least Concern
Antarctic 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.
Antarctic Tern
Antarctic Tern, 31–38 cm, breeds on sub-Antarctic islands and Antarctic Peninsula, dispersing across the Southern Ocean in austral winter. Grey above, white below, with red bill and feet. Unlike Arctic Tern, does not undertake pole-to-pole migration; remains in high southern latitudes year-round.