Whiskered Auklet vs Black Guillemot
Aethia pygmaea compared with Cepphus grylle
Side-by-Side Comparison
| Attribute | Whiskered Auklet | Black Guillemot |
|---|---|---|
| Scientific Name | Aethia pygmaea | Cepphus grylle |
| Order | Charadriiformes | Charadriiformes |
| Family | Alcidae | Alcidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 22.4 cm (8.8 in) | 30.8 cm (12.1 in) |
| Weight | 119.83333333333333 g (4.23 oz) | 421.8666666666666 g (14.88 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Whiskered Auklet
Least Concern
Black Guillemot
About These Birds
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.
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.