Howlers are New World monkeys found in tropical Central and South America. They are aptly named for their cacophonous cries. When a number of howlers let loose their lungs in concert, often at ...

This story appears in the August 2011 issue of National Geographic magazine. In India monkey business takes on a whole new meaning. Hanuman langurs are trained in New Delhi to scare off aggressive ...

The six-part series Animals, They’re Just Like Us! lets you peek inside the lives of penguins, giraffes and chimps that behave a whole lot like humans ...