Heermann's Gull vs Ivory Gull
Larus heermanni 对比 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 |
| 保护状况 | Near Threatened | Near Threatened |
| 体长 | — | — |
| 翼展 | 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 | -- | -- |
| 产卵数 | 1-2 | 2 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Near Threatened
Heermann's Gull
Near Threatened
Ivory Gull
About These Birds
Heermann's Gull
赫尔曼鸥在加利福尼亚海岸和下加利福尼亚半岛岛屿繁殖，以暗色体色和红色嘴为特征。
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.