Same-sex sexual behaviour has been recorded in around 1,500 species, from insects and starfish to birds and mammals. Yet sex ...

Two of six spider monkeys illegally brought into California are shown above with their troopmates where they are now living at Chicago's Brookfield Zoo. (U.S. Attorney's Office) A Texas man was busted ...

A planned activity with baby monkeys shifted quickly after an unexpected incident during a tree climb. Caretakers were forced to respond as conditions changed faster than anticipated. The moment ...

Howler infant number 5 on the back of a juvenile capuchin carrier, who is using stone tools at an anvil site in a stream bed. Usually, this behavior in females is described as adoption, thought to be ...

This video follows a full day caring for baby monkeys who rely entirely on structured routines and close supervision. Feeding, enrichment, and rest must be carefully managed to support both physical ...

A 33-year-old Texas man was sentenced in San Diego federal court Friday for coordinating the smuggling of at least six protected baby Mexican spider monkeys through the Calexico Port of Entry, ...

The bill was presented by Senators Joan Lovely with Mike Moore and Mike Brady and would prohibit the removal of infant primates from their mothers for the first year of their lives. By Chris Gardner ...

A group of male capuchin monkeys kidnapped baby howler monkeys – a different species – on a small island of Panama. Video shows the howler monkeys clinging to the male capuchin monkeys’ backs, but the ...

HOUSTON (WJW) – A Texas man was sentenced to prison for smuggling six baby Mexican spider monkeys into the United States, prosecutors announced on Monday. Sarmad Ghaled Dafar, 33, of Houston, was ...

In humans, personality similarity between partners can lead to better compatibility and well-being. Is the same true for ...

A capuchin named Joker started the apparent trend, leading researchers to suspect "there was something a little quirky about him, or that he was kind of lonely in a way.” Reading time 3 minutes A ...

High up in the canopy of the Brazilian rainforest, clinging unsteadily to its mother's back, a wild newborn bearded capuchin monkey with a non-functioning left leg was beating the odds. Observations ...