Rhinoceros Auklet vs Ancient Murrelet
Cerorhinca monocerata 比較対象 Synthliboramphus antiquus
Side-by-Side Comparison
| 属性 | Rhinoceros Auklet | Ancient Murrelet |
|---|---|---|
| 学名 | Cerorhinca monocerata | Synthliboramphus antiquus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Alcidae | Alcidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 35.8 cm (14.1 in) | 27.1 cm (10.7 in) |
| 体重 | 503.75 g (17.77 oz) | 208.16666666666666 g (7.34 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1 | 2 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Rhinoceros Auklet
Least Concern
Ancient Murrelet
About These Birds
Rhinoceros Auklet
ツノメドリ、37〜41 cm。北太平洋（カリフォルニアから日本）の島嶼の巣穴でコロニー繁殖。繁殖羽成鳥は嘴基部に突起状の角と白い顔面飾り羽を持つ。潜水して魚を捕食。
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.