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Source: USGS Patuxent Wildlife Research Center. Photographer: Robin Jung. Pseudacris crucifer - Spring Peeper
Source: USGS Patuxent Wildlife Research Center. Photographer: Lindsay Funk. Pseudacris crucifer - Spring Peeper
Source: USGS Patuxent Wildlife Research Center. Photographer: Lindsay Funk. Pseudacris crucifer - Spring Peeper
Source: USGS National Wetlands Research Center. Photographer: Dana Drake. Tadpole. St. Martin Parish, Louisiana. Pseudacris crucifer - Spring Peeper
Source: Savannah River Ecology Lab. Photographer: John D. Willson. Mecklenburg County, North Carolina.
Pseudacris crucifer - Spring Peeper
Source: Savannah River Ecology Lab. Photographer: John D. Willson. Mecklenburg County, North Carolina.
Pseudacris crucifer - Spring Peeper
Source: USGS Upper Midwest Environmental Sciences Center. Photographer: Mark Roth. St. Croix National Scenic Riverway, Minnesota/Wisconsin Pseudacris crucifer - Spring Peeper
Source: USGS Western Ecological Research Center. Photographer: Chris Brown. Pseudacris crucifer - Spring Peeper
Source: USGS Western Ecological Research Center. Photographer: Chris Brown. Pseudacris crucifer - Spring Peeper
Source: USGS Western Ecological Research Center. Photographer: Chris Brown. Pseudacris crucifer - Spring Peeper
Source: USGS National Wetlands Research Center. Photographer: Brad M. Glorioso. Calling Male; Atchafalaya Basin, Louisiana. Pseudacris crucifer - Spring Peeper
Source: USGS National Wetlands Research Center. Photographer: Brad M. Glorioso. Calling Male; Atchafalaya Basin, Louisiana. Pseudacris crucifer - Spring Peeper
Source: USGS National Wetlands Research Center. Photographer: Brad M. Glorioso. Juvenile; Atchafalaya Basin, Louisiana. Pseudacris crucifer - Spring Peeper
Source: USGS National Wetlands Research Center. Photographer: Jeromi Hefner. Tadpole, Atchafalaya Basin, Louisiana. Pseudacris crucifer - Spring Peeper
Source: USGS National Wetlands Research Center. Photographer: Brad M. Glorioso. Tailed metamorph. Atchafalaya Basin, Louisiana. Pseudacris crucifer - Spring Peeper