For Old World monkeys and apes, species that live in larger social groups have complex, colorful facial patterns, whereas those that live in smaller groups have simpler, plainer faces, the study ...

With bushy beards and funky blue, yellow or brown faces, guenon monkeys have some of the most colorful and quirky faces of all primates. A close study of more than 20 guenon monkey species reveals ...

Why the red face, bald uakari monkey? Are you hot ... There are a couple of ways to change skin color. The first involves melanin, a natural colored pigment made by the body.

Colorful monkeys called guenons sport moustaches ... a computer algorithm could correctly identify these monkeys by their faces, as well as distinguish among species. Scientists might be able ...

the world of primates encompasses a diverse and colorful range of creatures. There's no better example of this than the bald-headed uakari (Cacajao calvus), a monkey hailing from the Amazon rain ...

like white-faced capuchins, have monotone hair and skin color; others, like the northern owl monkey, sport a dramatic mix of fur and flesh tones. Biologists have long seen primates’ facial expressions ...

In the 1980, zoologist James Kingdon suggested that they recognise members of their own species by their faces. Many of these monkeys live in the same place, and some travel in large mixed groups.

A group of Old World monkeys called guenons have undergone ... Higham and his colleagues say their results suggest guenons owe their colorful faces to selection for visual signals that discourage ...

Males undergo a color change so that by adulthood, they are all black with white fur around their faces. There's a new zoo baby in Cincinnati. A baby white-face saki monkey was born Wednesday at ...