Short-billed Gull vs Black-tailed Gull
Larus brachyrhynchus 对比 Larus crassirostris
Side-by-Side Comparison
| 属性 | Short-billed Gull | Black-tailed Gull |
|---|---|---|
| 学名 | Larus brachyrhynchus | Larus crassirostris |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Not Evaluated | Least Concern |
| 体长 | — | — |
| 翼展 | — | 72.8 cm (28.7 in) |
| 体重 | 395.0 g (13.93 oz) | 675.0 g (23.81 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-5 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
保护状况
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
黑尾鸥以日本为中心分布于东亚沿岸，以猫叫声为特征的大型鸥类。