Installed throughout the designated conservation area, they help researchers and activists study the monkeys' behavior. ...
Zanzibar: How to spend a week in the nature-lover's paradise - From pristine beaches to vibrant marine life and a thriving ...
Earlier that morning the scientists had spotted troops (each five to thirty strong) of chattering monkeys: red-eared, black colobus, and red colobus, the latter one of the most threatened of all ...