- ... that the shovelnose salamander and the blackbelly salamander both live in the Appalachian Mountains, but the former feeds exclusively in water while the latter mainly forages on land?
- ... that the fauna of Colombia includes the largest number of amphibian species in the world?
- ... that the black jumping salamander, the dwarf false brook salamander, the admirable false brook salamander, the Smith's false brook salamander and Thorius pennatulus are all endemic to Mexico, and critically endangered?
- ... that A Field Guide to Western Reptiles and Amphibians by Robert C. Stebbins has widely been considered "the bible of the field" for American herpetologists?
- ... that female gregarious slender salamanders often lay their eggs in communal nests?
- ... that the Ouachita Dusky Salamander, the Fourche Mountain Salamander (pictured), and the Rich Mountain Salamander are all endemic to the Ouachita Mountains in Arkansas and Oklahoma?
- ... that the East Bay Vivarium is the oldest and largest retail vivarium in the United States?
- ... that the Cumberland Dusky Salamander is believed to hybridize with the Ocoee Salamander?
- ... that female European cave salamanders do not normally eat while they guard their eggs for six months or more?
- ... that where their ranges overlap, the Italian cave salamander sometimes hybridises with Ambrosi's cave salamander?