Spectacled Guillemot vs Pigeon Guillemot

Cepphus carbo compared with Cepphus columba

Side-by-Side Comparison

Attribute Spectacled Guillemot Pigeon Guillemot
Scientific Name Cepphus carbo Cepphus columba
Order Charadriiformes Charadriiformes
Family Alcidae Alcidae
Conservation Status Least Concern Least Concern
Length
Wingspan 38.4 cm (15.1 in) 34.7 cm (13.7 in)
Weight 480.0 g (16.93 oz) 493.6666666666667 g (17.41 oz)
Diet -- --
Clutch Size 1-2 1-2
Population Trend

Habitat Comparison

Shared Habitats

Spectacled Guillemot only

None

Pigeon Guillemot only

None

Conservation Status

Least Concern

Spectacled Guillemot

Least Concern

Pigeon Guillemot

About These Birds

Spectacled Guillemot

Spectacled Guillemot, 36–38 cm, breeds on rocky coasts and sea cliffs of the western North Pacific from Kamchatka to Japan. Sooty black with white spectacle patches around the eye; red feet. Coastal diver; feeds on fish and crustaceans near rocky reefs. Sedentary; stays close to breeding coast year-round.

Pigeon Guillemot

Pigeon Guillemot, 30–36 cm, breeds on rocky shorelines of the North Pacific from California to Alaska and Kamchatka. Black plumage with white wing patch bisected by a black bar; red feet and mouth lining. Benthic diver; takes crabs, shrimp, and bottom fish. Partially migratory; short coastal movements.

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