Two fossils found within walking distance of each other in Kenya, however, have now been interpreted as indicating that the two species Homo habilis and Homo erectus, thought to be human ancestors, lived at the same time.
Kenyast leiti üsna üksteise lähedalt kaks fossiili, millest mõned teadlased järeldavad, et arvatavad inimese eelkäijad Homo habilis ja Homo erectus elasid samal ajal.