Cassin's Auklet
Ptychoramphus aleuticus
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<birdfyi-bird slug="ptychoramphus-aleuticus"></birdfyi-bird>The Cassin's Auklet (Ptychoramphus aleuticus) is a bird species in the family Alcidae (auks & puffins), within the order Charadriiformes (shorebirds & gulls). Recorded measurements include a wingspan of 24.2 cm and a weight of 175 g. The IUCN Red List classifies it as Near Threatened.
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关于
Cassin's Auklet, 21–23 cm, is a small, almost entirely dark grey auklet breeding in burrows on rocky North Pacific islands from Baja California to the Aleutians. Feeds almost exclusively on zooplankton — euphausiids and copepods — at night. Highly colonial; winters near shore.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| 翼展 | 24.2 cm | 9.5 in |
| 体重 | 175.0 g | 6.17 oz |
Habitat & Range
保护状况
行为与繁殖
筑巢
Nest type: CR,BU. Incubation: 37-57 days. Fledging: 41-51 days.
产卵数
1
分类学
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| 目 | Charadriiformes (Shorebirds & Gulls) |
| 科 | Alcidae (Auks & Puffins) |
| Genus | Ptychoramphus |
| 物种 | Ptychoramphus aleuticus |
Distribution
Cassin's Auklet has been recorded in 1 countries.
countries highlighted
External Databases
常见问题
Is the Cassin's Auklet endangered?
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Similar Birds
Other species in the Alcidae family