Photographer Captures Hilarious Close Up Portraits of Some of the World's Most Unusual Primates

For over two decades, photographer Mogens Trolle has captured stunning wildlife photos on all seven continents. Trained as a zoologist and wildlife biologist, he specializes in mammals and uses his knowledge of them—as well his keen eye—to capture each creature’s unique personality.

Baby baboon posing for a portrait. Buffalo Springs, Kenya. Baboons are some of the most identifiable of the monkey world. They have tufts of hair on either side of their faces and large, hairless bottoms that can turn red. These old-world monkeys also do not have prehensile tails like some other monkeys, which means they don't use their tail like a hand. Baboons are only found in a very specific area of the world: Africa and Arabia. Four species, the chacma, olive, yellow and Guinea, live in the savannas. Others live in other semi-arid habitats, though some baboons can sometimes be found in tropical forests. The Hamadryas baboon lives in the hills along the Red Sea.