Ring-billed Gull vs African Skimmer
Larus delawarensis 对比 Rynchops flavirostris
Side-by-Side Comparison
| 属性 | Ring-billed Gull | African Skimmer |
|---|---|---|
| 学名 | Larus delawarensis | Rynchops flavirostris |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 73.2 cm (28.8 in) | 66.4 cm (26.1 in) |
| 体重 | 500.0 g (17.64 oz) | 165.66666666666666 g (5.84 oz) |
| 食性 | -- | -- |
| 产卵数 | 3 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Ring-billed Gull
Least Concern
African Skimmer
About These Birds
Ring-billed Gull
环嘴鸥广泛分布于北美全区，嘴上有黑色带是其特征，是最常见的鸥类之一。
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.