Grey-headed Gull vs Heermann's Gull
Larus cirrocephalus 对比 Larus heermanni
Side-by-Side Comparison
| 属性 | Grey-headed Gull | Heermann's Gull |
|---|---|---|
| 学名 | Larus cirrocephalus | Larus heermanni |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Near Threatened |
| 体长 | — | — |
| 翼展 | 63.8 cm (25.1 in) | 67.2 cm (26.5 in) |
| 体重 | 357.5 g (12.61 oz) | 448.26666666666665 g (15.81 oz) |
| 食性 | -- | -- |
| 产卵数 | 2-3 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Grey-headed Gull
Near Threatened
Heermann's Gull
About These Birds
Grey-headed Gull
灰头鸥广泛分布于非洲和南美洲的湖泊和河口，繁殖期灰色头巾为其特征。
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。