Little Auk vs Black Guillemot

Alle alle compared with Cepphus grylle

Side-by-Side Comparison

Attribute Little Auk Black Guillemot
Scientific Name Alle alle Cepphus grylle
Order Charadriiformes Charadriiformes
Family Alcidae Alcidae
Conservation Status Least Concern Least Concern
Length
Wingspan 23.2 cm (9.1 in) 30.8 cm (12.1 in)
Weight 170.0 g (6.00 oz) 421.8666666666666 g (14.88 oz)
Diet -- --
Clutch Size 1 1-2
Population Trend

Habitat Comparison

Shared Habitats

Little Auk only

None

Black Guillemot only

None

Conservation Status

Least Concern

Little Auk

Least Concern

Black Guillemot

About These Birds

Little Auk

Little Auk (Dovekie), 17–19 cm, is abundant in the High Arctic, with hundreds of millions breeding in Greenland and Svalbard — one of the world's most numerous seabirds. Tiny, black and white, stubby-billed. Planktivore; dives for copepods. Winters at sea in the North Atlantic, often far offshore.

Black Guillemot

Black Guillemot, 30–32 cm, is a compact North Atlantic alcid, distinctive in summer: entirely black with bold white wing patches and vivid red feet. Resident on rocky Arctic and boreal shores year-round; does not undertake long pelagic migrations. Dives to 50 m for blennies and sand eels near shore.

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