image: Utah prairie dogs engaged in allogrooming. This image relates to a paper that appeared in the March 8, 2013, issue of Science, published by AAAS. The paper, by John Hoogland at University of Maryland in Frostburg, MD, and colleagues was titled, "Prairie Dogs Disperse When All Close Kin Have Disappeared." view more
Credit: [Image courtesy of Elaine Miller Bond, <a target="_blank" href="http://www.elainemillerbond.com">www.elainemillerbond.com</a>]