Kittlitz's Murrelet vs Black Guillemot
Brachyramphus brevirostris 对比 Cepphus grylle
Side-by-Side Comparison
| 属性 | Kittlitz's Murrelet | Black Guillemot |
|---|---|---|
| 学名 | Brachyramphus brevirostris | Cepphus grylle |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Alcidae | Alcidae |
| 保护状况 | Near Threatened | Least Concern |
| 体长 | — | — |
| 翼展 | 27.6 cm (10.9 in) | 30.8 cm (12.1 in) |
| 体重 | 233.0333333333333 g (8.22 oz) | 421.8666666666666 g (14.88 oz) |
| 食性 | -- | -- |
| 产卵数 | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Near Threatened
Kittlitz's Murrelet
Least Concern
Black 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.
Black Guillemot
白翅斑海雀 (Cepphus grylle)，体长约30–35厘米。繁殖期全身黑色，翅上有大白斑；冬羽上体黑白杂色，下体白色。腿鲜红色，嘴黑色。广泛分布于北大西洋和北冰洋沿岸。以鱼类和甲壳动物潜水捕食，在岩石缝隙中营巢。