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Cassin's Auklet

Ptychoramphus aleuticus

Near Threatened
翼開長
24.2 cm
体重
175.0 g
Alcidae
Charadriiformes

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.

On this page

について

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
翼開長 24.2 cm 9.5 in
体重 175.0 g 6.17 oz

Habitat & Range

保全状況

Near Threatened
IUCN Red List

行動と繁殖

営巣

Nest type: CR,BU. Incubation: 37-57 days. Fledging: 41-51 days.

一腹卵数

1

分類学

Kingdom Animalia
Phylum Chordata
Class Aves
Charadriiformes (Shorebirds & Gulls)
Alcidae (Auks & Puffins)
Genus Ptychoramphus
Ptychoramphus aleuticus

Distribution

Cassin's Auklet has been recorded in 1 countries.

生息あり Not recorded

countries highlighted

External Databases

よくある質問

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

Other species in the Alcidae family

比較

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