African Skimmer vs Black-naped Tern
Rynchops flavirostris 比較対象 Sterna sumatrana
Side-by-Side Comparison
| 属性 | African Skimmer | Black-naped Tern |
|---|---|---|
| 学名 | Rynchops flavirostris | Sterna sumatrana |
| 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) | 43.1 cm (17.0 in) |
| 体重 | 165.66666666666666 g (5.84 oz) | 103.75 g (3.66 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1-5 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
African Skimmer
Least Concern
Black-naped 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.
Black-naped Tern
Black-naped Tern, 30–32 cm, breeds on tropical Indo-Pacific coral islands from the Maldives to Polynesia. White overall with a narrow black nape band connecting the black lores — a delicate, elegant pattern. Piscivore; surface-dips and shallow dives in clear tropical waters over reefs.