A large, big-headed diving duck with a gently sloping forehead and a stout neck. Its long bill meets the sloping forehead, creating a seamless look from the top of the crown to the tip of the bill. On the water it has an oval body and a short tail that gently slopes down into the water.
Larger than a Ring-necked Duck, smaller than a Common Merganser.between crow and goose
- Both Sexes
- Length: 18.9-22.1 in (48-56 cm)
- Weight: 30.4-56.0 oz (862-1588 g)
- Wingspan: 31.1-35.0 in (79-89 cm)