Zoo Atlanta has welcomed its newest animal with the birth of a Schmidt's guenon over the weekend. The infant, whose name has not been announced, was born on June 1. The new addition is the second ...

Back in 2004, Kate Detwiler had her binoculars trained on a guenon monkey perched in a tree deep in Tanzania’s Gombe National Park. She was waiting for the monkey to defecate so she could alert her ...