| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Aethia cristatella (Pallas, 1769) |
Crested auklet | Northern Pacific and the Arctic | 23 |
| Aethia psittacula (Pallas, 1769) |
Parakeet auklet | Northern Pacific and the Arctic | |
| Aethia pusilla (Pallas, 1811) |
Least auklet | Northern Pacific and the Arctic | 15 |
| Aethia pygmaea (Gmelin, 1789) |
Whiskered auklet | Northern Pacific | 18 |