Why amphibians are at risk ?

A mphibians have received much attention during the last two decades because of a now -general understanding that a larger proportion of amphibian species are at risk of extinction than those of any other taxon. Why this should be has puzzled amphibian specialists. A large number of factors have been involved, including most prominently habitat destruction and epidemics of infectious diseases; global warming also has been invoked as a causative factor. What makes the amphibian case so compelling is the fact that amphibians are long-term survivors that have persisted through the last four mass extinctions. Paradoxically , although amphibians have proven themselves to be survivors in the past, there are reasons for thinking that they might be vulne...