National Geographic : 1934 Oct
) National Geographic Society THE GREEN-HEADED, HANDSOME MALLARD IS AT HOME IN MARSHY WILDS From this glossy-feathered, quacking citizen of the world and his drably dressed womenfolk (leftand "single" flying) many varieties of domestic ducks have sprung. Wilder and harder to domesticate are the East's black ducks (extreme right pair, and flying). The Florida duck (third from right) is a bit lighter colored. The New Mexican duck (center, male) of limited range has only recently been discovered.