Crested Auklet vs Ancient Murrelet
Aethia cristatella 对比 Synthliboramphus antiquus
Side-by-Side Comparison
| 属性 | Crested Auklet | Ancient Murrelet |
|---|---|---|
| 学名 | Aethia cristatella | Synthliboramphus antiquus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Alcidae | Alcidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | — | — |
| 翼展 | 27.9 cm (11.0 in) | 27.1 cm (10.7 in) |
| 体重 | 260.0 g (9.17 oz) | 208.16666666666666 g (7.34 oz) |
| 食性 | -- | -- |
| 产卵数 | 1 | 2 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Crested Auklet
Least Concern
Ancient Murrelet
About These Birds
Crested Auklet
凤头海雀(体长23-26厘米),在阿留申群岛和白令海岛屿形成数百万只的巨大繁殖群落,壮观异常。属海雀科(Alcidae),前额具橙色向前弯曲的羽冠,繁殖期散发柑橘香气。
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.