Crested Black Macaques endure torrential rains on the northern end of the Indonesian island of Sulawesi. It’s the only forest on Earth where they can be found. BBC Earth visits this Lands of the Monsoon locale to observe how these monkeys are similar to humans, engaging in social activities and communications that bond them within their large troops.

“Lip-smacking is a request for a hug, showing a desire to be friends. Blowing kisses and sharing cuddles is not only reserved for close family, anyone in the troop can join in. They are amongst the most affectionate monkeys on the planet… The monkeys’ character is the result of the riches the monsoon brings. Life with abundant food.”

Next: The Funkiest Monkeys, Zen Snow Monkeys (Japanese macaques) in Japan’s hot springs, the World’s Only Grass-Eating Monkeys, and how Emperor Penguins keep warm in an ever-shifting huddle.

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