Drill

The drill is a rare African primate with a face like a baboon's grumpy cousin. These forest-dwelling monkeys live in small pockets of West Africa and are close relatives of the flashier mandrill. Sadly, their numbers are shrinking fast, putting them at risk of disappearing.

• A wild drill can live up to 20 years in the treetops.
• They share family ties with baboons and mandrills.
• Only three African countries still have drills in the wild.