Black Guillemot vs Ancient Murrelet
Cepphus grylle 比較対象 Synthliboramphus antiquus
Side-by-Side Comparison
| 属性 | Black Guillemot | Ancient Murrelet |
|---|---|---|
| 学名 | Cepphus grylle | Synthliboramphus antiquus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Alcidae | Alcidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 30.8 cm (12.1 in) | 27.1 cm (10.7 in) |
| 体重 | 421.8666666666666 g (14.88 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
Black Guillemot
Least Concern
Ancient Murrelet
About These Birds
Black Guillemot
ハジロウミスズメ、30〜32 cm。北大西洋の小型ウミスズメ類;夏羽は全身黒色に太い白い翼斑と鮮やかな赤い足。北極〜亜寒帯の岩礁海岸に通年生息;繁殖地付近の沿岸海域で越冬。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.