Cassin's Auklet

Ptychoramphus aleuticusOrder: CHARADRIIFORMESFamily: Auks, Murres and Puffins (Alcidae)
Cassin's Auklet Portrait
  Splitbar
Range Map for Cassin's Auklet

Overview

Cassin's Auklet: Small seabird with slate-gray upperparts, pale gray underparts, white belly. Pale yellow eyes with a white crescent patch above them. Short black bill has white spot at base of lower mandible that is visible at close range. Short tail and rounded wings. Rapid direct flight.

Range and Habitat

Cassin's Auklet: Breeds from the Aleutians to central Baja California and winters in waters off the southern part of breeding range. Preferred habitats include open ocean; nests on sea cliffs and isolated headlands.

Splitbar

Listen:

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Voice Text

"kreek"

Splitbar

Related Birds:

Least Auklet
Parakeet Auklet
Ancient Murrelet
Crested Auklet
Marbled Murrelet
Whiskered Auklet
.

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Family Auks, Murres and Puffins (Alcidae)_blue
Species Ptychoramphus aleuticus
Length9 Inches
Wingspan13.5 Inches

Cassin's Auklet

Cassin's Auklet: Small seabird with slate-gray upperparts, pale gray underparts, white belly. Pale yellow eyes with a white crescent patch above them. Short black bill has white spot at base of lower mandible that is visible at close range. Short tail and rounded wings. Rapid direct flight.

● Song: "kreek"

● Foraging & Feeding: Cassin's Auklet: Feeds on small crustaceans and fish. Forages by chasing prey underwater, propelled by its wings. They can dive more than 120 feet below the surface.

● Breeding & nesting: Cassin's Auklet: One white egg, blue or green tinted, is laid in a burrow or cavity among rocks. Incubation ranges from 37 to 42 days and is carried out by both parents.

● Similar species: Cassin's Auklet: Tufted Puffins and Rhinoceros Auklets are larger with heavier bills.

Flight Pattern

Rapid direct flight.
Cassin's Auklet Body Illustration
● Range & Habitat: Cassin's Auklet: Breeds from the Aleutians to central Baja California and winters in waters off the southern part of breeding range. Preferred habitats include open ocean; nests on sea cliffs and isolated headlands.
BreedingMonogamous, Colonial
PopulationCommon to abundant
MigrationNorthern birds migrate
Weight6.6 Ounces