(The Fold/The Washington Post)
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Squirrel Week 2013: Squirrel autopsy

April 10, 2013 | 8:52 PM GMT
Squirrels can be as tiny as a mouse or as large as a house cat. Richard Thorington, the Smithsonian’s resident squirrel expert, gives a tour of the 30,000 squirrel specimens housed in the National Museum of Natural History.