Heermann's Gull vs Ivory Gull
Larus heermanni 比較対象 Pagophila eburnea
Side-by-Side Comparison
| 属性 | Heermann's Gull | Ivory Gull |
|---|---|---|
| 学名 | Larus heermanni | Pagophila eburnea |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Near Threatened | Near Threatened |
| 体長 | — | — |
| 翼開長 | 67.2 cm (26.5 in) | 66.7 cm (26.3 in) |
| 体重 | 448.26666666666665 g (15.81 oz) | 578.3333333333334 g (20.40 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1-2 | 2 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Near Threatened
Heermann's Gull
Near Threatened
Ivory Gull
About These Birds
Heermann's Gull
ヒアマンカモメはカリフォルニア沿岸と下バハ・カリフォルニアの島々に繁殖し、暗色の体と赤い嘴が特徴的なカモメである。
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.