(I) Amphibians are in decline, and the causes remain controversial. (II) Among the earliest suspected culprits were pesticides. (III) Only a very few reports, however, have linked amphibian declines to pesticides in a convincing manner. (IV) Even DDT's role in wildlife problems took years to decipher. (V) And even in those few studies, the pesticide concentrations appear to be too low to kill amphibians.