May 9, 2023
Scientists discovered a 2,200-year-old condor poop pile in the Andes. Here's what it told them.
For the past 2,200 years, Andean condors (Vultur gryphus), among the largest known flying birds in the world, have been nesting — and pooping — at a cliffside grotto in northern Patagonia, Argentina. Now researchers are studying the massive pile of guano to learn more about the threatened species and...