Heermann's Gull vs West African Crested Tern
Larus heermanni 对比 Thalasseus albididorsalis
Side-by-Side Comparison
| 属性 | Heermann's Gull | West African Crested Tern |
|---|---|---|
| 学名 | Larus heermanni | Thalasseus albididorsalis |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Near Threatened | Not Evaluated |
| 体长 | — | — |
| 翼展 | 67.2 cm (26.5 in) | — |
| 体重 | 448.26666666666665 g (15.81 oz) | 380.0 g (13.40 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Near Threatened
Heermann's Gull
Not Evaluated
West African Crested Tern
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。
West African Crested Tern
West African Crested Tern, 42–45 cm, breeds on Atlantic islands from Mauritania to Angola. Pale grey back, orange bill, black crest. Piscivore; forages along the rich upwelling zone off West Africa. Recently split from Lesser Crested Tern. Coastal and offshore forager in tropical waters.