A brown, long-necked duck that gathers in flocks near water and forages at night or in the early morning.
The head and neck are relatively light brown, the back and wings are dark brown, and the rump and tail coverts are reddish chestnut.
It gathers in flocks near water and forages mainly at night and in the early morning. It often nests in tree holes, but sometimes nests on the ground.
An extinction-risk assessment has not been added yet.