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Trail Sign, Wissahickon Green Ribbon Trail, Fort Washington State Park, Pennsylvania-4097
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Female Mallard Duck (Anas platyrhynchos) @ Fort Washington State Park, Pennsylvania, USA-4709
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Male Mallard Duck (Anas platyrhynchos) @ Fort Washington State Park, Pennsylvania, USA-4084
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Male Mallard Duck (Anas platyrhynchos) @ Fort Washington State Park, Pennsylvania, USA-4085
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Male Mallard Duck (Anas platyrhynchos) @ Fort Washington State Park, Pennsylvania, USA-4092
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Male Mallard Duck (Anas platyrhynchos) @ Fort Washington State Park, Pennsylvania, USA-4094
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Male Mallard Duck (Anas platyrhynchos) @ Fort Washington State Park, Pennsylvania, USA-4123
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Male Mallard Duck (Anas platyrhynchos), Fort Washington State Park, Pennsylvania, USA-4125
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Female & Male Mallard Ducks (Anas platyrhynchos) @ Fort Washington State Park, Pennsylvania, USA-4131
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Female & Male Mallard Ducks (Anas platyrhynchos) @ Fort Washington State Park, Pennsylvania, USA-4132
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Female Mallard Duck (Anas platyhynchos) @ Fort Washington State Park, Pennsylvania, USA-4134
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Male Mallard Duck (Anas platyrhynchos) @ Fort Washington State Park, Pennsylvania, USA-4140
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Male Mallard Duck (Anas platyrhynchos) @ Fort Washington State Park, Pennsylvania, USA-4143
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Male Mallard Duck (Anas platyrhynchos) @ Fort Washington State Park, Pennsylvania, USA-4145
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Male Mallard Duck (Anas platyrhynchos) @ Fort Washington State Park, Pennsylvania, USA-4146
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Female & Male Mallard Ducks (Anas platyrhynchos) @ Fort Washington State Park, Pennsylvania, USA-4151
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Morning Light on a White-Throated Sparrow (Zonotrichia albicollis) @ Fort Washington State Park, Pennsylvania, USA-4161