lived: 4.5 to 4.2 million years ago

brain size: approx. 300 cubic centimeters

intelligence: used simple tools (such as sticks), probably had some form of sign language

largest group size: 50

other: Ardipithecus was the common ancestor of modern great apes and humans.


Ardipithecus | Australopithecus | Homo habilis | Homo erectus | Neandertals | Modern Humans


by Robin Stewart