Short-billed Gull vs Heermann's Gull
Larus brachyrhynchus 对比 Larus heermanni
Side-by-Side Comparison
| 属性 | Short-billed Gull | Heermann's Gull |
|---|---|---|
| 学名 | Larus brachyrhynchus | Larus heermanni |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Not Evaluated | Near Threatened |
| 体长 | — | — |
| 翼展 | — | 67.2 cm (26.5 in) |
| 体重 | 395.0 g (13.93 oz) | 448.26666666666665 g (15.81 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-5 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Not Evaluated
Short-billed Gull
Near Threatened
Heermann's 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.
Heermann's Gull
赫尔曼鸥在加利福尼亚海岸和下加利福尼亚半岛岛屿繁殖，以暗色体色和红色嘴为特征。