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 Yeti: "Four-months old Yunnan snub-nosed monkey, the highest-dwelling monkey species in the world. It lives in the mountains in up to 4,700 meters where the average temperature is below zero for four months of the year and where the thick-furred creature can be seen walking through the snow. Baima Snow Mountain National Nature Reserve, Yunnan, China."