Least Auklet vs Thick-billed Murre
Aethia pusilla compared with Uria lomvia
Side-by-Side Comparison
| Attribute | Least Auklet | Thick-billed Murre |
|---|---|---|
| Scientific Name | Aethia pusilla | Uria lomvia |
| Order | Charadriiformes | Charadriiformes |
| Family | Alcidae | Alcidae |
| Conservation Status | Least Concern | Least Concern |
| Length | — | — |
| Wingspan | 18.9 cm (7.4 in) | 41.4 cm (16.3 in) |
| Weight | 84.33333333333333 g (2.97 oz) | 945.75 g (33.36 oz) |
| Diet | -- | -- |
| Clutch Size | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Least Auklet
Least Concern
Thick-billed Murre
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.
Thick-billed Murre
Thick-billed Murre (Brünnich's Guillemot), 39–43 cm, breeds in enormous cliff colonies across the Arctic from Newfoundland to Siberia. Thicker, shorter bill with white gape line. Dives to 200+ m — deepest diver among alcids. Piscivore; takes capelin, cod. Vulnerable to climate change in the High Arctic.