gadwall
/ˈɡædˌwɔl/
noun
- A medium-sized duck found in wetlands, with grayish-brown feathers and a black rear end.
- Birdwatchers were excited to see a gadwall during their morning walk at the nature reserve.
- The gadwall is often mistaken for a female mallard because of its similar coloring.
- We spotted a gadwall swimming quietly in the pond behind the park.