African Skimmer vs Common Tern
Rynchops flavirostris 对比 Sterna hirundo
Side-by-Side Comparison
| 属性 | African Skimmer | Common Tern |
|---|---|---|
| 学名 | Rynchops flavirostris | Sterna hirundo |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 66.4 cm (26.1 in) | 50.7 cm (20.0 in) |
| 体重 | 165.66666666666666 g (5.84 oz) | 125.75 g (4.44 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-5 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
African Skimmer
Least Concern
Common Tern
About These Birds
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.
Common Tern
普通燕鸥（约130克）是世界上最广布的燕鸥，繁殖于欧洲、北美和亚洲，越冬于南部沿海地区。具有红色喙（黑色尖端）和深叉形尾羽，以扎入水中的方式捕鱼。无危；种群数量庞大，受益于人工浮台等保护措施。