Monitoring Delmarva fox squirrels [Pictures]
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Matt Whitlbeck , wildlife biologist with U.S. Fish & Wildlife Service holds a Delmarva fox squirrel. Biologists trap (then release shortly thereafter) Delmarva fox squirrels at Blackwater Wildlife Refuge, part of the agency's work in monitoring the rodent's recovery from the brink of extinction about 40 or so years ago.