In the heart of urban Los Angeles lie the La Brea Tar Pits, a group of natural asphalt seeps made famous by the millions of ice age fossils preserved within the bubbling, dark pools of goo.
Excavations of the pits have yielded bones of species that once roamed the area tens of thousands of years ago, including giant mammoths, mastodons, saber-toothed tigers and dire wolves.
But large mammals aren’t the only window into history that the asphalt has provided. Now, scientists have discovered the first extinct ice age amphibian from Los Angeles, a spadefoot toad named after the tar pits: Spea labreae. The findings are reported in a study published Wednesday in the Journal of Vertebrate Paleontology…