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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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
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.
countries highlighted
External Databases
Frequently Asked Questions
Is the Cassin's Auklet endangered?
How does the Cassin's Auklet nest?
How big is the Cassin's Auklet?
What order and family does the Cassin's Auklet belong to?
Similar Birds
Other species in the Alcidae family