Heermann's Gull vs Western Gull
Larus heermanni 对比 Larus occidentalis
Side-by-Side Comparison
| 属性 | Heermann's Gull | Western Gull |
|---|---|---|
| 学名 | Larus heermanni | Larus occidentalis |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Near Threatened | Least Concern |
| 体长 | — | — |
| 翼展 | 67.2 cm (26.5 in) | 79.5 cm (31.3 in) |
| 体重 | 448.26666666666665 g (15.81 oz) | 957.5 g (33.77 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-2 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Near Threatened
Heermann's Gull
Least Concern
Western Gull
About These Birds
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。
Western Gull
Western Gull, 55–68 cm, is the dominant large gull on the US Pacific coast from Washington to Baja California. Dark-mantled with pink legs, yellow bill with red spot. Omnivore; breeds on offshore islands, scavenges at harbours and landfills. Non-migratory; resident along its breeding coast.