Pigeon Guillemot vs Ancient Murrelet
Cepphus columba 比較対象 Synthliboramphus antiquus
Side-by-Side Comparison
| 属性 | Pigeon Guillemot | Ancient Murrelet |
|---|---|---|
| 学名 | Cepphus columba | Synthliboramphus antiquus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Alcidae | Alcidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 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 | -- | -- |
| 一腹卵数 | 1-2 | 2 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Pigeon Guillemot
Least Concern
Ancient Murrelet
About These Birds
Pigeon Guillemot
ハトウミスズメ、30〜36 cm。カリフォルニアからアラスカ・カムチャツカにかけて北太平洋の岩礁海岸で繁殖。黒い羽衣に黒い縞で二分された白い翼斑；赤い足と口腔。潜水して魚介類を捕食。
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.