Anseriformes, Bird, Waterfowl, Duck, Mallard, Teal, Beak, alive, animal, Aves, avian, beak, bill, biodiversity, biology, bird, birding, birdwatching, black, brown, conservation, day, drake, duck, ecology, environment, environmental, fauna, feather, fowl, grass, green, head, hen, life, living, male, natural, nature, organism, ornithology, outdoors, outside, plumage, Rouen, science, swimming, vertebrate, warm-blooded, water, waterfowl, white, wild, wilderness, wildfowl, wildlife, wing, domestic fowl, outdoor, passage, achiever, zoology, writing, chicken, sport, skill, discipline, twenty-four hours, dissimilarity, life science, improvement, aves, heterogeneity, orifice, gallinaceous bird, food, herb, plant, diversion, mouth, disfavor, difference, nonuniformity, class, meat, poultry, document, rejection, diverseness, aquatic bird, experience, transformation, person, water sport, situation
Rouen drake (Anas platyrhynchos domesticus) swimming toward a hen with brown grass in her beak