Fossil footprints in Kenya show two ancient human species coexisted - Reuters
- Fossil footprints in Kenya show two ancient human species coexisted Reuters
- Footprints in Kenya ‘show distant relatives of modern humans coexisted’ The Guardian
- These two ancient human relatives crossed paths 1.5 million years ago Nature.com
- Contemporary hominin locomotor diversity Science
- Fossil footprints of different ancient humans found together for the first time The Natural History Museum