Amphibians

Of all the animals alive on earth today, amphibians are the most endangered–and countless amphibian species have succumbed to disease, disruption of the food chain, and devastation of their natural habitats. Here’s a list of 10 frogs, toads, salamanders and caecilians that have gone extinct in historical times, ranging from the Sri Lankan Shrub Frog to Nannophrys guentheri.