Human testicles are much smaller, in proportion, to some of our primate cousins. Evolution can tell us why. But the size of ...

Zanzibar red colobus monkeys venture into the human world to find charcoal. Zanzibar red colobus monkeys are facing deforestation of their native home range and as a result are turning to raiding ...

Many people have never heard of a red colobus, yet they are Africa's most imperiled group of monkeys. There are 17 species of red colobus found in tropical forests from Senegal in west Africa to ...

SALT LAKE CITY — Springtime is known for baby animals, and the Utah's Hogle Zoo has been living up to that expectation this year. The youngest and newest resident is a white, fuzzy colobus monkey.

Colobus monkeys, native to equatorial Africa, start to change color at four weeks old and develop black fur and a white-framed, bearded face at three months old.

A baby Angolan Colobus monkey was discovered by a zookeeper on the morning of July 11. Lake Superior Zoo officials say a pair of Angolan Colobus monkeys have welcomed a new baby to their troop.

The white-furred monkey was welcomed into a tight-knit group of Angolan colobus monkeys Oct. 30, marking the second birth from parents Thumbelina and Azizi at the Little Rock Zoo, according to a ...

Researchers in Cameroon are aiming to use the red colobus monkey (Piliocolobus spp.) as both a standard-bearer for conservation and a barometer of forest health. Red colobus are tree-dwelling ...

Morgan, a 30-year-old black-and-white colobus monkey and patriarch of his troop, was euthanized at Dickerson Park Zoo due to age-related health decline. The decision was made to ensure Morgan's ...

The white-furred monkey was welcomed into a tight-knit group of Angolan colobus monkeys Oct. 30, marking the second birth from parents Thumbelina and Azizi at the Little Rock Zoo, according to a ...

The white-furred monkey was welcomed into a tight-knit group of Angolan colobus monkeys Oct. 30, marking the second birth from parents Thumbelina and Azizi at the Little Rock Zoo, according to a ...