Researchers discovered uniquely human neuroanatomical features in a study comparing human brains to macaque and chimpanzee ...

This image highlights (red) behavioral domains in left and right brain hemispheres that show high divergence following comparisons. Top shows domains that differ the most between human and chimpanzee.

The long-tailed macaque and pig-tailed macaque are now endangered in the wild according to the IUCN Red List, which says exports for monkey research are partially to blame. Dan is a News Editor at The ...

In June, a committee of the International Union for Conservation of Nature (IUCN) announced that long-tailed macaques (LTMs) will continue to be classified as “endangered” on the IUCN Red List of ...

She found that dark red faces appeal strongly to females and ... OTHER FACTS: Many bird species sport colors that attract mates; rhesus macaques are one of the few mammal species that do.

The suit, filed Thursday in federal court in Greenbelt, Maryland, alleges that specific captive macaques with names including Beamish, Sam Smith and Guinness in the NIMH lab in Bethesda ...

the macaques rely heavily on sexual signals. “They’re extreme when it comes to sexual selection,” Engelhardt told me as we saw females with hyperswollen, rosy-red rear ends parade in front ...

The monkeys that escaped are rhesus macaque primates, which have brown fur with red faces and ears. They have close-cropped ...