Experts Baffled to Find 8,000 Ancient Frog and Toad Bones Near an Iron Age ... In total experts found remnants of 350 amphibians. Scientists were taken aback because it was rare to find so many ...
“Frogs evolved about 350 million years ago and have diversified from there. Today they are the most threatened group of vertebrates in the world. A big reason for this is the destruction of ...