Eric Walker added Our Earliest Ancestors - YouTube to a number of topics

Eric Walker added Ardipithecus kadabba - Wikipedia to Ardipithecus kadaba

Eric Walker added Our Earliest Ancestors - YouTube and Ardipithecus kadabba - Wikipedia to Ardipithecus kadaba, and added Ardipithecus kadaba to Ardipithecus

Eric Walker added Ardipithecus kadaba and Ardipithecus ramidus and Ardipithecus - Wikipedia and Welcome to the Ruthless, Cutthroat World of Paleoanthropology - The New York Times to Ardipithecus, and added Ardipithecus to Australopithecines