Spectacled Guillemot vs Scripps's Murrelet
Cepphus carbo 对比 Synthliboramphus scrippsi
Side-by-Side Comparison
| 属性 | Spectacled Guillemot | Scripps's Murrelet |
|---|---|---|
| 学名 | Cepphus carbo | Synthliboramphus scrippsi |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Alcidae | Alcidae |
| 保护状况 | Least Concern | Vulnerable |
| 体长 | — | — |
| 翼展 | 38.4 cm (15.1 in) | 24.0 cm (9.4 in) |
| 体重 | 480.0 g (16.93 oz) | 175.5 g (6.19 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Spectacled Guillemot
Vulnerable
Scripps's 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。
Scripps's Murrelet
Scripps's Murrelet, 22–24 cm, breeds in crevices on Channel Islands off southern California. White underparts contrasting with dark grey upperparts; white split extends up flanks. Nocturnal at colonies. Chicks lead-march to sea within 2 days of hatching. Piscivore; threatened by light pollution and introduced predators.