Black Tern vs African Skimmer
Chlidonias niger 比較対象 Rynchops flavirostris
Side-by-Side Comparison
| 属性 | Black Tern | African Skimmer |
|---|---|---|
| 学名 | Chlidonias niger | Rynchops flavirostris |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 40.3 cm (15.9 in) | 66.4 cm (26.1 in) |
| 体重 | 73.15 g (2.58 oz) | 165.66666666666666 g (5.84 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 2-3 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Black Tern
Least Concern
African Skimmer
About These Birds
Black Tern
ヨーロッパから中央アジアにかけての湿地で繁殖し、アフリカで越冬するアジサシ（体長22〜24cm）。繁殖期は黒い体に灰色の翼、冬羽は白・灰色。Chlidonias niger（クロハラアジサシ）は開けた水面をゆっくり飛びながら水面の昆虫を捕まえる優雅な採食行動が特徴。Laridae科。
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.