Chimpanzees (Pan troglodytes) have special grunt calls for particular types of foods. By studying what happened after two separate clans of adult chimps moved in together at the Edinburgh Zoo, a team of scientists led by Dr Simon Townsend from the University of Zurich has discovered that chimps can change those referential food grunts over time, to make them sound more like those of new peers. Chimpanzees (Pan troglodytes). Image credit: Pelican /...
