Black-tailed Gull vs Ivory Gull
Larus crassirostris 比較対象 Pagophila eburnea
Side-by-Side Comparison
| 属性 | Black-tailed Gull | Ivory Gull |
|---|---|---|
| 学名 | Larus crassirostris | Pagophila eburnea |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Least Concern | Near Threatened |
| 体長 | — | — |
| 翼開長 | 72.8 cm (28.7 in) | 66.7 cm (26.3 in) |
| 体重 | 675.0 g (23.81 oz) | 578.3333333333334 g (20.40 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 2-3 | 2 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Black-tailed Gull
Near Threatened
Ivory Gull
About These Birds
Black-tailed Gull
ウミネコは日本を中心とした東アジアの沿岸に分布し、猫のような鳴き声が特徴的な大型のカモメである。
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.