Pocket Guide to the Amphibians and Reptiles of Costa RicaPocket Guide to the Amphibians and Reptiles of Costa Rica introduces readers to all 470 amphibian and reptile species currently known to occur in the country. Drawing on thirty years of research and field study, Twan Leenders walks readers through the rich diversity of the country's herpetofaunasalamanders, frogs, crocodilians, turtles, lizards, snakes, and even the elusive, rarely seen caecilians. Numerous illustrations coupled with key field marks