Black Guillemot vs Japanese Murrelet
Cepphus grylle 对比 Synthliboramphus wumizusume
Side-by-Side Comparison
| 属性 | Black Guillemot | Japanese Murrelet |
|---|---|---|
| 学名 | Cepphus grylle | Synthliboramphus wumizusume |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Alcidae | Alcidae |
| 保护状况 | Least Concern | Vulnerable |
| 体长 | — | — |
| 翼展 | 30.8 cm (12.1 in) | 24.0 cm (9.4 in) |
| 体重 | 421.8666666666666 g (14.88 oz) | 171.6 g (6.05 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Black Guillemot
Vulnerable
Japanese 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。
Japanese Murrelet
Japanese Murrelet, 26–28 cm, is a Vulnerable alcid endemic to Japan, breeding on rocky islets in the Pacific. Black head with a small white supercilium stripe; grey back. Nests in rock crevices; chicks led to sea while still tiny. Piscivore; threatened by gill-net bycatch and feral predators on islands.