Turkey bones may help trace fate of ancient cliff dwellers
(WorldNews Turkey)

Visitors tour Cliff Palace,an ancient cliff dwelling in Mesa Verde National Park, Colorado, USA, on August 27, 2005. DENVER: Researchers say they have found a new clue into the mysterious exodus of ancient cliff-dwelling people from the Mesa Verde area of Colorado more than 700 years ago: DNA from the bones of domesticated turkeys. The DNA shows the Mesa Verde people raised turkeys that had telltale similarities to turkeys kept by ancient people in the Rio Grande Valley of northern New Mexico - and that those birds became more common in New Mexico about the same time the Mesa Verde people were leaving their cliff dwellings, according to a paper published last month in the journal PLoS One....