As I sat on a wooden chair in a railed wooden platform 50 feet up from the ground in a tree in the jungle with a brown paper bag containing three bananas, I saw them. A troop of spider monkeys were ...

A researcher has found that the rapid detection of snakes by monkeys is because of the presence of snake scales as a visual cue. His findings highlight an evolutionary adaptation of primates to ...

Monkeys exhibited an immediate response to images of snakes and salamanders with snake skin, but not to images of salamanders without scale. Dr. Nobuyuki Kawai from Nagoya University in Japan has ...