Least Auklet vs Whiskered Auklet

Aethia pusilla compared with Aethia pygmaea

Side-by-Side Comparison

Attribute Least Auklet Whiskered Auklet
Scientific Name Aethia pusilla Aethia pygmaea
Order Charadriiformes Charadriiformes
Family Alcidae Alcidae
Conservation Status Least Concern Least Concern
Length
Wingspan 18.9 cm (7.4 in) 22.4 cm (8.8 in)
Weight 84.33333333333333 g (2.97 oz) 119.83333333333333 g (4.23 oz)
Diet -- --
Clutch Size 1 1
Population Trend

Habitat Comparison

Shared Habitats

Least Auklet only

None

Whiskered Auklet only

None

Conservation Status

Least Concern

Least Auklet

Least Concern

Whiskered Auklet

About These Birds

Least Auklet

Least Auklet, 15–16 cm, is the smallest auk, breeding in immense colonies (millions) on rocky Aleutian and Bering Sea islands. Dark above, streaked white below; a tiny white plume above the eye. Planktivore; sieves copepods and euphausiids at sea. Makes loud buzzing display choruses at colony.

Whiskered Auklet

Whiskered Auklet, 18–22 cm, breeds on the Aleutian and Kuril Islands in colonies in crevices. Three white facial plumes give the 'whiskered' appearance; forward-curving black crest. Smallest crested auklet. Planktivore; forages in fast tidal currents feeding on euphausiids. Year-round resident near breeding islands.

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