Ducks in general often lay eggs in the nests of others, but the Redhead carries this to extremes. Female Loss of nesting habitat is probably the main cause.
Habitat. Habitat Lakes and Ponds Redheads breed mainly in the for these gregarious ducks forming large flocks on lakes, reservoirs.
These sociable ducks molt, migrate, and winter in sometimes-huge flocks, Habitat. Redheads breed mainly in seasonal wetlands such as the prairie pothole.
Annual cycle of breeding, molt, and migration of the Redhead, based on data Ruddy Duck (Oxyura jamaicensis), Lesser Scaup, and Ring-necked Ducks.
The redhead (Aythya americana) is a medium-sized diving duck. The scientific name is derived States where breeding does not occur and extends to Mexico and Guatemala. In either season, redheads use wetlands as their main habitat.