Ring-billed Gull vs African Skimmer
Larus delawarensis 比較対象 Rynchops flavirostris
Side-by-Side Comparison
| 属性 | Ring-billed Gull | African Skimmer |
|---|---|---|
| 学名 | Larus delawarensis | Rynchops flavirostris |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 73.2 cm (28.8 in) | 66.4 cm (26.1 in) |
| 体重 | 500.0 g (17.64 oz) | 165.66666666666666 g (5.84 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 3 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Ring-billed Gull
Least Concern
African Skimmer
About These Birds
Ring-billed Gull
リングビルドガルは北アメリカ全域に広く分布し、嘴に黒い帯があることが特徴的な最も一般的なカモメの一つである。
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.