Firefly Encyclopedia of Reptiles and Amphibians Tapa dura - 2002

Tim Halliday is Professor of Biology at the Open University, England, where he teaches animal behavior and evolutionary biology, and researches the mating dynamics of newts, frogs and toads. He has written or edited several books and numerous scientific papers about amphibian sexual behavior. In the last ten years, he has concentrated on global declines among amphibian populations. He is the International Director of the IUCN/SSC Declining Amphibian Populations Task Force.

Dr. Kraig Adler is Professor of Biology at Cornell University. His research includes animal orientation and navigation, and the systematics, ecology and evolution of amphibians and reptiles which he has studied in the field around the world. Dr. Adler's research is widely published and he has written or edited eight books, including co-authoring Herpetology of China (1993) and Captive Management and Conservation of Amphibians and Reptiles (1994). He served as President of the Society for the Study of Amphibians and Reptiles and was elected the first Secretary-General of the World Congress of Herpetology.