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The Birds of Brooklyn Bridge Park — Mallard or American Black Duck duckling…not sure...
American Black Duck
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Ottawa National Wildlife Refuge - Bird of the Day! The American black duck closely resembles its relative, the mallard, with similar size and colors. When identifying the American black duck, look for
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File:Black Duck and Ducklings (31759094760).jpg - Wikimedia Commons
Black Duck
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American Black Duck
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American Black Duck
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American Black Duck
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American Black Duck Identification, All About Birds, Cornell Lab of Ornithology