Dr. Heather Arens, the Sedgwick County Zoo's director of animal health, made a call to several local surgeons after young ...

Cobby, a 63-year-old chimpanzee who was the oldest male chimp in captivity at an accredited U.S. zoo, died on Friday at the San Francisco Zoo. While the zoo says Cobby's cause of death is not yet ...

Add Yahoo as a preferred source to see more of our stories on Google. Val, an adult male chimpanzee, demonstrates the ‘grass-in-ear’ behavior. - Jake Brooker/Chimfunshi Wildlife Orphanage Trust ...