In Photos: Obese Macaque Gorges on Human Junk Food
Who's grooming?
In this social animal, grooming can be a measure of status. For instance, lower-ranking individuals tend to groom, at length, the higher-ranking macaques, the primate center said.
Tool users
Scientists have found that about 80 percent of a population of Burmese long-tailed macaques on an island in southern Thailand actually use tools. The study, published May 13, 2015 in the open-access journal PLOS ONE, revealed the animals were using tools made of stones and shells to crack open seafood.
Lots of food
The long-tailed macaque in Bangkok can be seen eating leftovers and snacks from tourists in the area.
Lonely?
The long-tailed macaque from Bangkok is lounging around.
Eating like a tourist
The obese macaque chows down on human food.
Tourist attraction
Apparently, tourists at the Bangkok floating market love watching this monkey chow down.
Live Science newsletter
Stay up to date on the latest science news by signing up for our Essentials newsletter.
Jeanna served as editor-in-chief of Live Science. Previously, she was an assistant editor at Scholastic's Science World magazine. Jeanna has an English degree from Salisbury University, a master's degree in biogeochemistry and environmental sciences from the University of Maryland, and a graduate science journalism degree from New York University. She has worked as a biologist in Florida, where she monitored wetlands and did field surveys for endangered species. She also received an ocean sciences journalism fellowship from Woods Hole Oceanographic Institution.