. Birds of Yellowstone and Grand Teton National Parks. Birds; Birds. Canada Goose MALLARD (Anas platyrhynchos) Harry Engels 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 wh
. Birds of Yellowstone and Grand Teton National Parks. Birds; Birds. Canada Goose MALLARD (Anas platyrhynchos) Harry Engels 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 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; Yellowstone Library and Museum Association; United States. National Park Service. [Yellowstone National Park] : Yellowstone Library and Museum Association, in cooperation with National Park Service, U. S. Dept. of Interior
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Keywords: ., boo, bookauthorunitedstatesnationalparkservice, booksubjectbirds
