Kittlitz's Murrelet vs Spectacled Guillemot
Brachyramphus brevirostris 对比 Cepphus carbo
Side-by-Side Comparison
| 属性 | Kittlitz's Murrelet | Spectacled Guillemot |
|---|---|---|
| 学名 | Brachyramphus brevirostris | Cepphus carbo |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Alcidae | Alcidae |
| 保护状况 | Near Threatened | Least Concern |
| 体长 | — | — |
| 翼展 | 27.6 cm (10.9 in) | 38.4 cm (15.1 in) |
| 体重 | 233.0333333333333 g (8.22 oz) | 480.0 g (16.93 oz) |
| 食性 | -- | -- |
| 产卵数 | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Near Threatened
Kittlitz's Murrelet
Least Concern
Spectacled Guillemot
About These Birds
Kittlitz's Murrelet
Kittlitz's Murrelet, 23–25 cm, is an enigmatic auk that nests on rocky tundra above the tree line in Alaska and eastern Russia, often near glaciers. Mottled brown in summer, white in winter. Critically dependent on glacial outwash for foraging; Vulnerable as glaciers recede. Piscivore.
Spectacled Guillemot
海番鸭（黑海雀）(Cepphus carbo)，体长约38厘米。繁殖期体羽黑色，翅上具白色翼镜；冬羽上体黑色，下体白色。嘴黑色，腿红色。分布于北太平洋，繁殖于日本、朝鲜半岛和俄罗斯远东海岸。以小鱼和甲壳动物为食。