Short-billed Gull vs Black-tailed Gull
Larus brachyrhynchus в сравнении с Larus crassirostris
Side-by-Side Comparison
| Характеристика | Short-billed Gull | Black-tailed Gull |
|---|---|---|
| Научное название | Larus brachyrhynchus | Larus crassirostris |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Not Evaluated | Least Concern |
| Длина | — | — |
| Размах крыльев | — | 72,8 cm (28.7 in) |
| Масса | 395,0 g (13.93 oz) | 675,0 g (23.81 oz) |
| Питание | -- | -- |
| Размер кладки | 1-5 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
Общие среды обитания
Short-billed Gull only
Black-tailed Gull only
Нет
Охранный статус
Not Evaluated
Short-billed Gull
Least Concern
Black-tailed Gull
About These Birds
Short-billed Gull
Short-billed Gull, 40–45 cm, breeds in interior Alaska and western Canada, wintering on the Pacific coast. Recently split from Common Gull; slightly smaller with a shorter bill and more rounded head. Omnivore; often inland on grasslands and agricultural fields during migration. Migratory.
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.