Slaty-backed Gull vs African Skimmer
Larus schistisagus 对比 Rynchops flavirostris
Side-by-Side Comparison
| 属性 | Slaty-backed Gull | African Skimmer |
|---|---|---|
| 学名 | Larus schistisagus | Rynchops flavirostris |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 87.0 cm (34.3 in) | 66.4 cm (26.1 in) |
| 体重 | 1280.5 g (45.17 oz) | 165.66666666666666 g (5.84 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-4 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Slaty-backed Gull
Least Concern
African Skimmer
About These Birds
Slaty-backed Gull
灰背鸥广泛繁殖于北太平洋沿岸，以暗色背部和翼为特征的大型鸥类，在日本也常见。
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.