. Birds of Yellowstone and Grand Teton National Parks . Birds; Birds. Canada Goose Harry Engels MALLARD (Anas platyrhynchos) This wide-ranging species is probably the most familiar of all wild ducks. Mallards are surface-feeding fresh-water ducks which feed primarily on water plants, snails, seeds, grasshoppers, wild rice, and mosquito larvae. A hardy species, the greenhead remains in Yellowstone and Grand Teton in moderate numbers throughout the winter. An active, wary, noisy duck, the mallard constructs a simple down-lined nest among the reeds and grasses along a stream, lake, or pond edge w
. Birds of Yellowstone and Grand Teton National Parks . Birds; Birds. Canada Goose Harry Engels MALLARD (Anas platyrhynchos) This wide-ranging species is probably the most familiar of all wild ducks. Mallards are surface-feeding fresh-water ducks which feed primarily on water plants, snails, seeds, grasshoppers, wild rice, and mosquito larvae. A hardy species, the greenhead remains in Yellowstone and Grand Teton in moderate numbers throughout the winter. An active, wary, noisy duck, the mallard constructs a simple down-lined nest among the reeds and grasses along a stream, lake, or pond edge where the female lays 8 to 15 greenish-buff eggs. The female cares for the eggs and raises the young. Shortly after breeding season the male, or drake, undergoes a complete molt, becomes flightless for a time, and acquires a protective eclipse plumage almost identical to that of the female. Mallards are abundant breeding birds in aquatic environments in both Green-winged Teal C. Allan Morgan 21. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Follett, Dick. [United States] : Yellowstone Library and Museum Association in cooperation with National Park Service, U. S. Dept. of Interior
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Keywords: ., bookcollectionamer, bookcollectionbiodiversity, booksubjectbirds
