These are small, compact ducks with stout, scoop-shaped bills, and long, stiff tails they often hold cocked upward. They have slightly peaked heads and fairly short, thick necks.
Smaller than a Common Goldeneye; larger than a Bufflehead.between robin and crow
- Both Sexes
- Length: 13.8-16.9 in (35-43 cm)
- Weight: 10.6-30.0 oz (300-850 g)
- Wingspan: 22.1-24.4 in (56-62 cm)