4 mar 3700000 año aC - Australopithecus

Descripción:

Fact 1. Weighed half as much as a toilet
Fact 2. They were only 3 to 4 feet tall.
Fact 3. They were bipedal (walked on two legs).
Claim: I think they didn't have a big brain because their skull was small.
Migration: Australopithecus stayed in Eastern Africa.

Source 1. http://eol.org/pages/4454141/details
Source 2. http://www.columbia.edu/itc/anthropology/v1007/2002projects/web/australopithecus/austro.html