Black-fronted Tern vs African Skimmer
Chlidonias albostriatus 对比 Rynchops flavirostris
Side-by-Side Comparison
| 属性 | Black-fronted Tern | African Skimmer |
|---|---|---|
| 学名 | Chlidonias albostriatus | Rynchops flavirostris |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Endangered | Least Concern |
| 体长 | — | — |
| 翼展 | 47.9 cm (18.9 in) | 66.4 cm (26.1 in) |
| 体重 | 93.0 g (3.28 oz) | 165.66666666666666 g (5.84 oz) |
| 食性 | -- | -- |
| 产卵数 | 2 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Endangered
Black-fronted Tern
Least Concern
African Skimmer
About These Birds
Black-fronted Tern
新西兰燕鸥 (Chlidonias albostriatus)，体长约30厘米。繁殖期头顶黑色，上体灰色，下体浅色，翅膀深色，嘴和腿红色；冬羽头部白色，仅有黑色冠斑。特有于新西兰内陆河流。以鱼类和昆虫为食。为濒危物种。
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.