Spectacled Guillemot vs Ancient Murrelet
Cepphus carbo 对比 Synthliboramphus antiquus
Side-by-Side Comparison
| 属性 | Spectacled Guillemot | Ancient Murrelet |
|---|---|---|
| 学名 | Cepphus carbo | Synthliboramphus antiquus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Alcidae | Alcidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 38.4 cm (15.1 in) | 27.1 cm (10.7 in) |
| 体重 | 480.0 g (16.93 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
Spectacled Guillemot
Least Concern
Ancient Murrelet
About These Birds
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。
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.