Black-headed Gull vs African Skimmer
Larus ridibundus 比較対象 Rynchops flavirostris
Side-by-Side Comparison
| 属性 | Black-headed Gull | African Skimmer |
|---|---|---|
| 学名 | Larus ridibundus | Rynchops flavirostris |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 58.2 cm (22.9 in) | 66.4 cm (26.1 in) |
| 体重 | 261.0 g (9.21 oz) | 165.66666666666666 g (5.84 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1-3 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Black-headed Gull
Least Concern
African Skimmer
About These Birds
Black-headed Gull
ユリカモメはユーラシア大陸に広く繁殖し、日本でも冬季に多数見られる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.