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Cassin's Auklet
Ptychoramphus aleuticus
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Near Threatened
Wingspan
24.2 cm
Weight
175.0 g
Family
Alcidae
Order
Charadriiformes
About
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 |
|---|---|---|
| Wingspan | 24.2 cm | 9.5 in |
| Weight | 175.0 g | 6.17 oz |
Habitat & Range
Conservation Status
Near Threatened
IUCN Red List
Behavior & Breeding
Nesting
Nest type: CR,BU. Incubation: 37-57 days. Fledging: 41-51 days.
Clutch Size
1
Taxonomy
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| Order | Charadriiformes (Shorebirds & Gulls) |
| Family | Alcidae (Auks & Puffins) |
| Genus | Ptychoramphus |
| Species | Ptychoramphus aleuticus |
Distribution
Cassin's Auklet has been recorded in 1 countries.
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Present
Not recorded
countries highlighted
External Databases
Frequently Asked Questions
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.
Similar Birds
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Great Auk
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