Least Auklet vs Pigeon Guillemot
Aethia pusilla compared with Cepphus columba
Side-by-Side Comparison
| Attribute | Least Auklet | Pigeon Guillemot |
|---|---|---|
| Scientific Name | Aethia pusilla | Cepphus columba |
| Order | Charadriiformes | Charadriiformes |
| Family | Alcidae | Alcidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 18.9 cm (7.4 in) | 34.7 cm (13.7 in) |
| Weight | 84.33333333333333 g (2.97 oz) | 493.6666666666667 g (17.41 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Least Auklet
Least Concern
Pigeon Guillemot
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.
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.