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Male mallard
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Falcated Teal, Colusa NWR, California
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Gadwall close-up
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Mallard and chicks
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Canvasback
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Pintail
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American Wigeon, Killdeer, Rodeo Lagoon, Marin County, CA
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Bufflehead
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Bufflehead, Elkhorn Slough, Monterey, CA
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Bufflehead, Elkhorn Slough, Monterey, CA
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Yellow-billed female Common Goldeneye, Seal Slough, San Mateo, CA
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Yellow-billed female Common Goldeneye, Seal Slough, San Mateo, CA
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Common Goldeneye, Bair Island, San Mateo, CA
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Barrow's Goldeneye, Redwood Creek, CA
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Hybrid American x Eurasian Wigeon
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Eurasian Wigeon, Radio Road
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Hooded Merganser, Seal Slough, CA
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Tufted Duck, Regent's Park, London
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Mandarin Duck, Eyeworth Pond, UK
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Barrow's Goldeneye, Bair Island, San Mateo, CA
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Goosander, Zurich, Switzerland
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Mallards, San Gallinas, Marin, CA
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Common Merganser, San Gallinas, Marin, CA
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Common Merganser, San Gallinas, Marin, CA
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Pintail, Inner Bair Island, CA
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Mandarin Duck, Regent's Park, London
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Long-tailed duck, Pescadero Creek Mouth, San Mateo County, CA