Ancient Peru Tar Pools Trapped Hundreds of Songbirds

A dusty, windy desert in extreme northwestern Peru was once a grassland, replete with hundreds of songbirds. But this grassland was also a trap. Tar seeps bubbling up from the oil-rich ground snared the likes of saber-toothed cats and songbirds.

via LiveScience.com http://ift.tt/1JV1z6P