 Public Domain Picture Mallards at Sunset Sand Lake NWR 01 ID: 13960623617195 PublicDomainFiles.comPublic Domain Picture: Mallards at Sunset Sand Lake NWR 01Mallards at Sunset Sand Lake NWR 01Conservation, Duck, Ducks, Fws, Mallard, Mallards, Nationalwildliferefugesystem, Nature, Nwrs, Sandlakenwr, Sunset, Usfws, Vision:outdoor0706, Vision:sky0808, Vision:sunset0654, Vision:text0506, Waterfowl, Wildlife 