African Skimmer vs Common Tern
Rynchops flavirostris 比較対象 Sterna hirundo
Side-by-Side Comparison
| 属性 | African Skimmer | Common Tern |
|---|---|---|
| 学名 | Rynchops flavirostris | Sterna hirundo |
| 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) | 50.7 cm (20.0 in) |
| 体重 | 165.66666666666666 g (5.84 oz) | 125.75 g (4.44 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
Common 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.
Common Tern
北半球全域で繁殖し、南半球で越冬するアジサシ（体長31〜35cm）。白い体に灰色の翼、赤いオレンジ嘴、黒い頭頂部が特徴。Sterna hirundo（アジサシ）は海面に垂直に急降下して小魚を捕食し、キツツキのように鋭い声で鳴く。「シャーン、シャーン」という声とエレガントな飛翔姿で人気。Laridae科。