African Skimmer vs Forster's Tern
Rynchops flavirostris 比較対象 Sterna forsteri
Side-by-Side Comparison
| 属性 | African Skimmer | Forster's Tern |
|---|---|---|
| 学名 | Rynchops flavirostris | Sterna forsteri |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 66.4 cm (26.1 in) | 50.5 cm (19.9 in) |
| 体重 | 165.66666666666666 g (5.84 oz) | 151.25 g (5.34 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1-5 | 2-3 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
African Skimmer
Least Concern
Forster's Tern
About These Birds
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.
Forster's Tern
Forster's Tern, 33–36 cm, breeds in interior North American marshes and winters along both US coasts and into Mexico. Distinctive frosted silver upperparts and orange-based bill. In non-breeding plumage, shows a black eye-mask. Piscivore; hovers and plunge-dives in coastal bays and lagoons.