Darting Monkeys While Dodging Snakes - Mary Pavelka

Howler monkeys aren't known for their intelligence. Spider monkeys are much brighter, but harder to study. National Geographic grantee Mary Pavelka explains the ups and downs of studying primates in Central America. Pavelka tells Boyd that the hardest part of studying the monkeys in the treetops is keeping an eye out for the poisonous snakes on the ground as well.