Kittlitz's Murrelet vs Ancient Murrelet
Brachyramphus brevirostris 比較対象 Synthliboramphus antiquus
Side-by-Side Comparison
| 属性 | Kittlitz's Murrelet | Ancient Murrelet |
|---|---|---|
| 学名 | Brachyramphus brevirostris | Synthliboramphus antiquus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Alcidae | Alcidae |
| 保全状況 | Near Threatened | Least Concern |
| 体長 | — | — |
| 翼開長 | 27.6 cm (10.9 in) | 27.1 cm (10.7 in) |
| 体重 | 233.0333333333333 g (8.22 oz) | 208.16666666666666 g (7.34 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1 | 2 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Near Threatened
Kittlitz's Murrelet
Least Concern
Ancient Murrelet
About These Birds
Kittlitz's Murrelet
キッリッツウミスズメは体長23〜25cmで、アラスカと極東ロシアの林木限界線を超えた岩礁ツンドラ、しばしば氷河近くに巣を作る謎多きウミスズメ。夏は褐色の斑点、冬は白色。氷河からの流出水に採食を強く依存；氷河後退により危急種。魚食者。
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.