Common Gull-billed Tern vs African Skimmer
Gelochelidon nilotica 比較対象 Rynchops flavirostris
Side-by-Side Comparison
| 属性 | Common Gull-billed Tern | African Skimmer |
|---|---|---|
| 学名 | Gelochelidon nilotica | Rynchops flavirostris |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 61.6 cm (24.3 in) | 66.4 cm (26.1 in) |
| 体重 | 214.075 g (7.55 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
Common Gull-billed Tern
Least Concern
African Skimmer
About These Birds
Common Gull-billed Tern
世界中の温帯から熱帯の海岸・塩性湿地・内陸湿地で繁殖するアジサシ（体長35〜43cm）。白い体と黒い帽子が特徴で、他のアジサシとは異なり魚より昆虫を多く食べる。Gelochelidon nilotica（ハシブトアジサシ）は水に潜らず地面で採食し、カエルや大型昆虫も好む。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.