Inquisitive Mink

From USFWS National Wildlife Refuge System:

A mink checks out the world at South Dakota’s Lacreek National Wildlife Refuge (http://1.usa.gov/1VJAa0N). The 16,410-acre refuge lies on the northern edge of the Nebraska Sandhills. It includes 16,410 acres of native sandhills, meadows, marshes, and tall and mixed grass prairie uplands. Photo by Tom Koerner / U.S. Fish and Wildlife Service