Cave animals just might be some of the strangest a...  ...opulation. Image via Lip Kee [Flickr]Amphibians OlmsThe Olm is one of the weirdest and most famous cave a...  ...toes on their front legs and two on their back. Olms live in the waters of underground limestone caves...  ...outh. Because food can be scarc...

Biologists have determined that this tiny cave sal...  ...rowth rates, generation times and the lifespan of olms living in a cave at Moulis, Saint-Girons, France....