Couch potatoes of the animal kingdom: Orangutans have extremely low rate of energy use

ScienceDaily (2010-08-03) -- Pass the chips and hand over the remote. In a study involving the first-ever daily energy expenditure measurements in apes, researchers have determined that orangutans living in a large indoor/outdoor habitat used less energy, relative to body mass, than nearly any eutherian mammal ever measured, including sedentary humans.