Pigeon Guillemot vs Ancient Murrelet
Cepphus columba 对比 Synthliboramphus antiquus
Side-by-Side Comparison
| 属性 | Pigeon Guillemot | Ancient Murrelet |
|---|---|---|
| 学名 | Cepphus columba | Synthliboramphus antiquus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Alcidae | Alcidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 34.7 cm (13.7 in) | 27.1 cm (10.7 in) |
| 体重 | 493.6666666666667 g (17.41 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
Pigeon Guillemot
Least Concern
Ancient Murrelet
About These Birds
Pigeon Guillemot
鸽海雀 (Cepphus columba)，体长约32厘米。繁殖期体羽黑色，翅上具大型白斑，翼下覆羽白色；冬羽杂有白色。嘴黑色，腿亮红色。分布于北太平洋沿岸，从加利福尼亚至阿拉斯加和西伯利亚。以鱼类和无脊椎动物潜水捕食。
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.