TYLER, Texas — If you tried to give a colobus monkey a thumbs up, they could not return the gesture. That's because they do not have thumbs.
However, this does not impact their behavior. Colobus monkeys are agile climbers and spend most of their time in trees.
For more behind-the-scenes zoo content, watch CBS19 on Fridays during Morning Y'all for the weekly segment, Exploring the Caldwell Zoo.