Ivory Gull vs African Skimmer
Pagophila eburnea 比較対象 Rynchops flavirostris
Side-by-Side Comparison
| 属性 | Ivory Gull | African Skimmer |
|---|---|---|
| 学名 | Pagophila eburnea | Rynchops flavirostris |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Near Threatened | Least Concern |
| 体長 | — | — |
| 翼開長 | 66.7 cm (26.3 in) | 66.4 cm (26.1 in) |
| 体重 | 578.3333333333334 g (20.40 oz) | 165.66666666666666 g (5.84 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 2 | 1-5 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Near Threatened
Ivory Gull
Least Concern
African Skimmer
About These Birds
Ivory Gull
Ivory Gull, 40–43 cm, is entirely white with black legs, breeding only on High Arctic ice caps and cliffs in Canada, Greenland, Svalbard, and Russia. Winters at sea ice edges in the High Arctic. Scavenges on marine mammal carcasses and sea ice invertebrates. Near Threatened; climate-sensitive.
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.