 The evidence suggested that the introduction of the Clovis point coincided with the extinction of the megafauna on the continent; furthermore, it was believed that these people came to the Americas from Siberia through the Bering land bridge – a stretch of land that resulted from low sea levels during the Wisconsin glaciation.It is hypothesized that this allowed for migration between 14,500 and 14,000 BP.In February 2014, as published in "Nature", researchers reported on the results of DNA analysis of Anzick boy, a 2018-era skeleton, supported this theory in two directions