Hunting armadillos
Oldest human tracks discovered in South America
Argentinian scientists have found one of the oldest traces of humans in South America. The remains of a giant armadillo show traces of stone tools.
According to the analysis, the bones are around 21,000 years old and therefore around 5,000 years older than the previously assumed date of colonization of the continent.
The remains of a gigantic armadillo led to the discovery of the early inhabitants. Bone finds from a glyptodont - which belongs to the (extinct) family of articulated animals - show traces of stone tools. Humans apparently used tools to separate flesh from the animal's bones.
It had previously been assumed that the continent was settled around 16,000 years ago.
More recent finds in Mexico and Brazil also prove an older human presence.
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