Black-fronted Tern vs African Skimmer
Chlidonias albostriatus 比較対象 Rynchops flavirostris
Side-by-Side Comparison
| 属性 | Black-fronted Tern | African Skimmer |
|---|---|---|
| 学名 | Chlidonias albostriatus | Rynchops flavirostris |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Endangered | Least Concern |
| 体長 | — | — |
| 翼開長 | 47.9 cm (18.9 in) | 66.4 cm (26.1 in) |
| 体重 | 93.0 g (3.28 oz) | 165.66666666666666 g (5.84 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 2 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Endangered
Black-fronted Tern
Least Concern
African Skimmer
About These Birds
Black-fronted Tern
クロビタイアジサシ、27〜30 cm。ニュージーランド南島固有の準絶滅危惧種で、砂利河床で繁殖。橙色の嘴・青灰色の体・黒い頭頂;幼鳥は褐色。魚食性および昆虫食性。
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.