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Mallards
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Thumbnail (130 x 130)
Medium (650 x 433)
Large (1300 x 867)
Original (1800 x 1200) 1.9M
Photo By/Credit
Holmes, Ron
Copy Credit
Media Usage Rights/License
Public Domain
Image
Mallard ducks in flight at John Heinz National Wildlife Refuge, Philadelphia, PA. Image taken from USFWS Northeast Region Flick page.
Facility
John Heinz National Wildlife Refuge at Tinicum
Species
Anas platyrhynchos
Subject tags
Wildlife refuges
Birds
