Common Gull-billed Tern vs African Skimmer
Gelochelidon nilotica 对比 Rynchops flavirostris
Side-by-Side Comparison
| 属性 | Common Gull-billed Tern | African Skimmer |
|---|---|---|
| 学名 | Gelochelidon nilotica | Rynchops flavirostris |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 61.6 cm (24.3 in) | 66.4 cm (26.1 in) |
| 体重 | 214.075 g (7.55 oz) | 165.66666666666666 g (5.84 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-3 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Common Gull-billed Tern
Least Concern
African Skimmer
About These Birds
Common Gull-billed Tern
鸥嘴噪鸥（约250克）是一种翼展约90厘米的燕鸥，具有独特的粗短黑色喙。繁殖于各大洲的海岸、湖泊和盐沼，越冬于热带地区。通常不像其他燕鸥那样扎入水中捕鱼，而是捕食昆虫、蜥蜴和小型啮齿动物。无危；分布广泛但较为稀少。
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.