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Cassin's Auklet
Ptychoramphus aleuticus
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Near Threatened
翼展
24.2 cm
体重
175.0 g
科
Alcidae
目
Charadriiformes
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
Near Threatened
IUCN Red List
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.
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出现
Not recorded
countries highlighted
External Databases
常见问题
Is the Cassin's Auklet endangered?
The Cassin's Auklet has a conservation status of Near Threatened.
How does the Cassin's Auklet nest?
Nest type: CR,BU. Incubation: 37-57 days. Fledging: 41-51 days.
How big is the Cassin's Auklet?
The Cassin's Auklet has a wingspan of 24.2 cm, weight of 175.0 g.
What order and family does the Cassin's Auklet belong to?
The Cassin's Auklet (Ptychoramphus aleuticus) belongs to the order Charadriiformes and the family Alcidae.
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