"It represents a watershed, a touchstone for how we previously imagined groups of hunter-gatherers interacted with these enormous herbivores", Pedro Francisco Sánchez Nava, national archeology coordinator at the INAH, said at the press conference. The human-made pits each measured about 1.7 metres (6 feet) deep and 25 metres wide, with 90-degree walls to prevent mammoths from climbing out. Excavations at the site have been taking place for 10 months.
Anthropologists in Mexico have unearthed ancient pits used to trap mammoths. The newly discovered bones will serve to add to the museum's collection.
Early hunters may have herded the elephant-sized mammals into the traps using torches and branches. The team reports that some of the bones found showed signs that the animals were hunted.
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Evidence that these beasts had been hunted came as a fragment of a flint blade was found embedded into a mammoth rib, and according to Science Direct, the mortality profile of 112 mammoths supported the suspicion that they had been hunted.
"They must have considered it courageous and ferocious, showing their respect with this particular arrangement", said Luis Cordoba, an archeologist at INAH.
The remains of species of horse and camel that disappeared from the Americas were also discovered at the site.
The pits were found while space was being cleared for a garbage dump in Tultepec, north of Mexico City.