Atlantic White Tern vs African Skimmer
Gygis alba 对比 Rynchops flavirostris
Side-by-Side Comparison
| 属性 | Atlantic White Tern | African Skimmer |
|---|---|---|
| 学名 | Gygis alba | Rynchops flavirostris |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 50.4 cm (19.8 in) | 66.4 cm (26.1 in) |
| 体重 | 138.0 g (4.87 oz) | 165.66666666666666 g (5.84 oz) |
| 食性 | -- | -- |
| 产卵数 | 1 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Atlantic White Tern
Least Concern
African Skimmer
About These Birds
Atlantic White Tern
白燕鸥是分布于热带海洋的优美鸟类,全身纯白,眼大而深色,喙细长。独特之处在于直接将单枚卵产在裸露的树枝或岩石上,不筑巢。广泛分布于太平洋和印度洋的热带岛屿,以小型鱼类和甲壳类为食,飞行优雅灵活。
African Skimmer
African Skimmer: 36–42 cm, black-and-white skimmer with a long bright orange-yellow bill where the lower mandible is longer than the upper. Flies low over large rivers and lakes, cutting the water surface with the lower bill to catch fish. Resident and partial migrant along large rivers and lakes of sub-Saharan Africa. NT.