Findings of hand and foot fossils in Turkana reinforce past discoveries that make Kenya cradle of mankind
Some of these species crossed paths, literally. A study published last year showed that Paranthropus boisei and Homo erectus left intersecting trackways of footprints in what had been a muddy lakeshore at Koobi Fora. The discovery raised intriguing questions about the relationship between the two species and any competition for resources.
