Heermann's Gull vs Red-legged Kittiwake
Larus heermanni 对比 Rissa brevirostris
Side-by-Side Comparison
| 属性 | Heermann's Gull | Red-legged Kittiwake |
|---|---|---|
| 学名 | Larus heermanni | Rissa brevirostris |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Near Threatened | Vulnerable |
| 体长 | — | — |
| 翼展 | 67.2 cm (26.5 in) | 60.0 cm (23.6 in) |
| 体重 | 448.26666666666665 g (15.81 oz) | 401.6666666666667 g (14.17 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-2 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Near Threatened
Heermann's Gull
Vulnerable
Red-legged Kittiwake
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。
Red-legged Kittiwake
Red-legged Kittiwake, 35–39 cm, has a very restricted range on only four Aleutian and Pribilof Island colonies, with a world population under 200,000. Resembles Black-legged Kittiwake but with bright red legs, darker upperparts, and white underwing tips. Pelagic piscivore; Vulnerable and declining.