A squat, thickset seabird with a heavy body, a short neck, and a heavy bill with (during breeding season) a short vertical spike near the base. It has broad, pointed wings, short legs, and large, webbed feet.
Larger than a Cassin's Auklet, smaller than a Tufted Puffin.between robin and crow
- Both Sexes
- Length: 11.0-11.4 in (28-29 cm)
- Weight: 12.3-21.9 oz (350-620 g)
- Wingspan: 23.2-24.4 in (59-62 cm)