A young adolescent male chimpanzee (right) and his older brother, a late-pubescent male, in Kibale National Park, Uganda
Aaron Sandel
Humans are widely believed to be the only animals to grow rapidly during puberty, but new evidence from chimpanzees suggests that this is not just for humans.
Some scientists define puberty as unique to humans because it involves social and cultural changes that are clearly a human experience. Certain physical changes during adolescence, such as growth spurts, are also not seen in other animals.
some studies that
