Stock photography, photos: Mallard hen Stock photos of A mallard hen rests on a calm lake. Photograph: © Dan Creighton Click for a larger image and more information Keywords associated with this stock photo: feathered, zoology, dabbling duck, environmentalism, hen, exertion, female, waterfowl, Mallard, avian, animal, beasts, bird, aves, feather, beast, duck hunting, ecosystem, duck, creature, sports, birds, recreation, athletics, competitive sports, sports & recreation, waterfowl hunting, lake, scenery, environment, wildlife, ecology, outdoor recreation, water, habitat, hunting, nature, pond