Black Guillemot vs Ancient Murrelet
Cepphus grylle 对比 Synthliboramphus antiquus
Side-by-Side Comparison
| 属性 | Black Guillemot | Ancient Murrelet |
|---|---|---|
| 学名 | Cepphus grylle | Synthliboramphus antiquus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Alcidae | Alcidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 30.8 cm (12.1 in) | 27.1 cm (10.7 in) |
| 体重 | 421.8666666666666 g (14.88 oz) | 208.16666666666666 g (7.34 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-2 | 2 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Black Guillemot
Least Concern
Ancient Murrelet
About These Birds
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。
Ancient Murrelet
Ancient Murrelet, 24–27 cm, breeds in burrows on North Pacific islands from British Columbia to Japan. Black hood, grey back, white underparts with yellow bill. Nocturnal at colonies to avoid predators. Chicks lead-march to sea within days of hatching — abandoning the nest very early. Planktivore and piscivore.