Chimpanzees (Pan troglodytes) select a certain type of wood to make their nests, says a team of biologists from the United States. A male chimpanzee at the Toro-Semliki Wildlife Reserve, Uganda. Image credit: © Caroline Deimel, 2012 Daily construction of a nest is a universal behavior among large-bodied hominoids. Among chimpanzees, most populations select certain tree species to sleep in more frequently than other, but the reason for selecting a...
