What are those chimps up to? NHPA/Photoshot
The chimps are up to something.聽A massive study has found that the majority of chimp populations are sometimes active at night but cannot tell us why.
Chimps鈥 nocturnal behaviours have barely been studied, says of the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany. 鈥淩esearchers in the field follow them from the time they get out of their nest in the morning to the time they nest around twilight hours,” she says.
“What happens between the time they nest in the evening and the following morning has largely been a mystery.鈥 However, in 2014 it…
