Footprints reveal the coexistence of two human species 1.5 million years ago
Briefly

The discovery of the fossilized footprints allows researchers to explore a lot of key questions about human evolution and competition between species, indicating that Homo erectus and Paranthropus boisei lived in close proximity during the same period.
Louise Leakey emphasizes the historical coexistence of multiple human species by noting that 1.5 million years ago, Africa was home to at least six different human species, shaping a diverse evolutionary landscape.
Read at english.elpais.com
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