It may seem hard to believe, but male proboscis monkeys use their fleshy, pendulous noses to attract mates. Scientists think these outsize organs create an echo chamber that amplifies the monkey ...

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 ...

Asia's leaf monkeys take their name from the lush jungle foliage that makes up the bulk of their diets. All are equipped with a large, chambered stomach, like that of a cow, which allows them to ...

This story appears in the February 2011 issue of National Geographic magazine ... The golden snub-nosed monkey is one of five related species—remnants of once widespread populations whose ...

Tigers and monkeys and tapirs, oh my! Joel Sartore's latest book, "National Geographic Photo Ark: Babies," captures the ...

Spider monkeys are large New World monkeys that live in tropical rainforests from central Mexico in the north to Bolivia in the south. There are seven species of these agile primates, which get ...

What is a woolly monkey? An animal called a woolly monkey seems like it should live in the frozen north, not the sweltering Amazon Basin. But the thick coat of fur covering these large primates ...

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 monkeys didn’t look up as we waded through ... from what we’re about to throw their way. Photographer and National Geographic Grantee Trevor Beck Frost finds joy in places “where ...

Of two hunky monkeys, which would you say has the most sex appeal? That’s easier to answer if you’re a rhesus macaque (Macaca mulatta)—or Constance Dubuc, an evolutionary biologist at the ...

If it weren’t for a cheeky monkey named Naruto, who, as the story goes, stole a photographer’s camera in an Indonesian park and snapped a selfie, crested black macaques might still be ...

This story appears in the March 2020 issue of National Geographic magazine. The monkeys wore soccer uniforms. Six Japanese macaques standing erect on leashes obediently kicked the ball up and down ...