With more than 400 extraordinary color photographs and richly informative text, is the definitive field guide to all of the country's tuatara, geckos, skinks, frogs, marine turtles, and marine snakes. From the ancient tuatara, the sole surviving member of its order, to the world's largest collection of long-lived and live-bearing lizards, New Zealand's reptiles and amphibians represent an extraordinary part of the country's biodiversity. The only field guide to cover all of New Zealand's 123 currently recognized species, the book features authoritative and up-to-date species accounts, including names and description, as well as information on distribution, variation and similar species, habitat, and natural history. The book also provides a general introduction to these species, offering an overview of evolution, conservation, observing and collecting, ecosystems, and geographic history.