Pigeon Guillemot vs Black Guillemot
Cepphus columba compared with Cepphus grylle
Side-by-Side Comparison
| Attribute | Pigeon Guillemot | Black Guillemot |
|---|---|---|
| Scientific Name | Cepphus columba | Cepphus grylle |
| Order | Charadriiformes | Charadriiformes |
| Family | Alcidae | Alcidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 34.7 cm (13.7 in) | 30.8 cm (12.1 in) |
| Weight | 493.6666666666667 g (17.41 oz) | 421.8666666666666 g (14.88 oz) |
| Diet | -- | -- |
| Clutch Size | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Pigeon Guillemot
Least Concern
Black Guillemot
About These Birds
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.
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.