- A duck
- Black and white sea duck
- Black-and-white sea duck
- Downy duck
- Duck
- Duck type
- Duck with fine down
- A small duck
- Blue-green
- Bluish green
- Duck type
- Every other toenail is a shade of blue
- Freshwater duck
- Greenish blue
- Duck type
- Wild duck
- A drake; the male of Anas boschas.
- A large wild duck (Anas boschas) inhabiting both America
and Europe. The domestic duck has descended from this species. Called
also greenhead.