Audouin's Gull vs Heermann's Gull
Larus audouinii 对比 Larus heermanni
Side-by-Side Comparison
| 属性 | Audouin's Gull | Heermann's Gull |
|---|---|---|
| 学名 | Larus audouinii | Larus heermanni |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Vulnerable | Near Threatened |
| 体长 | — | — |
| 翼展 | 78.9 cm (31.1 in) | 67.2 cm (26.5 in) |
| 体重 | 610.5 g (21.53 oz) | 448.26666666666665 g (15.81 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-4 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Vulnerable
Audouin's Gull
Near Threatened
Heermann's Gull
About These Birds
Audouin's Gull
Audouin's Gull, 44–48 cm, is a Near Threatened Mediterranean endemic, breeding mainly in the western basin. Coral-red bill with black and yellow band, grey mantle. Primarily piscivore; forages at sea at dusk for anchovies. Population recovered from 1,000 to over 20,000 pairs; now threatened by fishing bycatch.
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。