YAKUSHIMA, Kagoshima — A rare image of a monkey riding on a deer's back has gone viral after the U.K. Natural History Museum released it in a preview of its Wildlife Photographer of the Year ...

Just like us, our primate relatives seek sexual gratification, though the ways they do so might seem a little strange. Ongoing research on the Japanese macaque (Macaca fuscata), also known as the snow ...

On the lush, green Japanese island of Yakushima, two species of animals have struck up an unusual relationship seemingly out of a fable. The resident Japanese macaque monkeys and sika deer have ...

Adolescent female monkeys in Japan have repeatedly engaged in sexual behaviors with sika deer, for reasons that are not yet clear, according to researchers who study macaque behavior. That report was ...

Monkeys aren’t just sharing the love with each other. They’re spreading it to other animals, too, including deer, according to a new report. »RELATED: Cobb workers rescue a deer found inside a water ...

2017 will go down in history as the year we learned how wild the animal kingdom truly is. With monkeys riding deer in a “sexual manner,” frogs changing colors during orgies and fish mating so loudly ...

Researchers witnessed adolescent female Japanese macaques mounting sika deer in ways that were "sexual in nature." They have several theories for... Adolescent female monkeys in Japan have repeatedly ...

An adolescent female Japanese macaque on the back of a male sika deer. Researchers have looked into some macaques' attraction to the deer. Adolescent female monkeys in Japan have repeatedly engaged in ...