Caspian Tern vs African Skimmer
Hydroprogne caspia 对比 Rynchops flavirostris
Side-by-Side Comparison
| 属性 | Caspian Tern | African Skimmer |
|---|---|---|
| 学名 | Hydroprogne caspia | Rynchops flavirostris |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 82.1 cm (32.3 in) | 66.4 cm (26.1 in) |
| 体重 | 656.0 g (23.14 oz) | 165.66666666666666 g (5.84 oz) |
| 食性 | -- | -- |
| 产卵数 | 2-4 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Caspian Tern
Least Concern
African Skimmer
About These Birds
Caspian Tern
Caspian Tern is the world's largest tern, 48–56 cm, wingspan 127–140 cm, with a massive blood-red bill. Found on all continents except Antarctica. Plunge-dives powerfully for large fish in coastal and freshwater habitats. Migratory; northern populations winter in the tropics. Loud, rasping call.
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.