ETYM French malari,fr. mâle male + -art = -ard. Related to Male, and -ard.
Wild dabbling duck from which domestic ducks are descended; widely distributed; SYN. Anas platyrhynchos.
Common wild duck Anas platyrhynchos, found almost worldwide, from which domestic ducks were bred. The male, which can grow to a length of 60 cm/2 ft, usually has a green head and brown breast, while the female is mottled brown. Mallards are omnivorous, dabbling ducks.

City in Iowa (USA); zip code 50562.