Black-billed Gull vs African Skimmer
Larus bulleri 对比 Rynchops flavirostris
Side-by-Side Comparison
| 属性 | Black-billed Gull | African Skimmer |
|---|---|---|
| 学名 | Larus bulleri | Rynchops flavirostris |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Near Threatened | Least Concern |
| 体长 | — | — |
| 翼展 | 57.5 cm (22.6 in) | 66.4 cm (26.1 in) |
| 体重 | 216.83333333333334 g (7.65 oz) | 165.66666666666666 g (5.84 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-3 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Near Threatened
Black-billed Gull
Least Concern
African Skimmer
About These Birds
Black-billed Gull
黑嘴鸥栖息于新西兰，是以黑色嘴为特征的特有鸥，在内陆河流也繁殖。
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.