Scientists dug into a 2,200-year-old pile of Andean condor poop to study the species’ diet and changes in habitat.
Scientists discovered a 2,200-year-old condor poop pile in the Andes. Here's what it told them. : Read more
Scientists discovered a 2,200-year-old condor poop pile in the Andes. Here's what it told them. : Read more