the australopithecus were the first evolution of humans and they lasted about a million years and they overlapped with the homo habilis. australopithecine didn't use stone tools. australopithecine were the first to be around. They were shorter than most of the other hominids (2-4 feet tall) and they had a brain size of a orange. i can infer about the Australopithecus kind from the primary sources that they were the earliest humans of the evolutionary timeline of how humans evolved. and from the video they grew faster and that they stood upright. the australopithecus didnt migrate. sources: becoming human worksheet https://sites.google.com/arlington.k12.ma.us/ehresearch/homo-habilis https://lh3.googleusercontent.com/6Y3ozBJwQ-BoSBv_vLALP0VlZQ3b8Q2yfIby1rzieqLbi1tyxnH3eos_hhqmrrpw_wWpfQ=s85 https://youtu.be/V3U5KkOYRkA