The Firefly Encyclopedia of Reptiles and Amphibians covers every family, ranging from large, predatory constrictors and crocodilians to miniature tree frogs and salamanders. This third edition adds 32 extra pages to incorporate numerous important updates based on the latest scientific findings and interpretations. Big increases in the number of known families and species: 17 new families of amphibians and 18 new families of reptiles; Amphibian species are up from 6,182 to 7,387; Reptile species are up from 8,726 to 10,038. Frogs alone have gone up from 5,453 species to the currently agreed 6,508. Maps for all families of salamanders, frogs, turtles, lizards, snakes, and crocodilians. More than 320 stunning full-color photographs and illustrations. Information on current conservation and environmental concerns. Extinctions and Declining Amphibian Populations section and map.-- Provided by publisher.