Cholita, an Andean bear, was abused in a circus in Peru and is now in a small zoo. An animal welfare group has now received permission to take Cholita to a wildlife sanctuary in Colorado, along with more than 30 former circus lions. Courtesy of Animal Defenders International hide caption

itoggle caption Courtesy of Animal Defenders International

Primatologist Isabel Behncke Izquierdo says play helps to foster creativity, trust, and cooperation. James Duncan Davidson/Courtesy of TED hide caption

itoggle caption James Duncan Davidson/Courtesy of TED

The male Asian subterranean termite (brown abdomen) and the female Formosan subterranean termite (orange abdomen) are surrounded by their hybrid offspring (eggs, larvae, workers, soldiers) in an eight-month-old colony. Thomas Chouvenc/University of Florida hide caption

itoggle caption Thomas Chouvenc/University of Florida

A recently rescued sea turtle recovering on the banks of the San Gabriel River. Sanden Totten/Southern California Public Radio/KPCC hide caption

itoggle caption Sanden Totten/Southern California Public Radio/KPCC

John Hargrove, a trainer who spent 14 years working with orcas, mostly at SeaWorld, eventually became disillusioned with the company's treatment of its killer whales. Courtesy of Palgrave Macmillan Trade hide caption

itoggle caption Courtesy of Palgrave Macmillan Trade

So far this month, more than 330 California sea lions have been admitted to the Marine Mammal Care Center at Fort MacArthur in San Pedro, Calif. Nathan Rott/NPR hide caption

itoggle caption Nathan Rott/NPR

University of Arizona entomologist Justin Schmidt was stung well over 1,000 times while creating the Schmidt Sting Pain Index. Sam Droege/USGS/Flickr hide caption

itoggle caption Sam Droege/USGS/Flickr

Hundreds of adult wood storks gather on the tops of trees at the Harris Neck National Wildlife Refuge. Stephen B. Morton/AP hide caption

itoggle caption Stephen B. Morton/AP