the waterproof field guide to central European amphibians key to Anura and Caudata of central europe, more than 250 photographs, a complete field guide - virtual recognition of species by larvae/tadpoles or adult/metamorphosed individuals, NABU Germany (German Association for the Protection of Nature) World Species List (WSL) - Amphibians WWW Virtual Library : Herpetology Yahoo : Reptiles and Amphibians Zoological Record Systematic Hierarchy Anura A Thousand Friends of Frogs &quot;Frog Pad&quot; connects K-12 students, educators, families, and scientists from Minnesota and beyond to study and celebrate frogs and their habits, Center for Global Environmental Education Action Plan for Australian Frogs by Michael J Tyler with the assistance of the Editorial Advisory Committee Wildlife Australia American Dendrobatid Group educates 
(Frog Pad&quot; connects; K-12 students, educators, families, and scientists from Minnesota and beyond) (K-12 students, educators, families, and scientists from Minnesota and beyond; to celebrate; frogs and their habits) (NABU Germany (German Association for the Protection of Nature) World Species List; educates; )
Frog Pad&quot K-12 students, educators, families, and scientists from Minnesota and beyond NABU Germany (German Association for the Protection of Nature) World Species List
connects to celebrate educates
K-12 students, educators, families, and scientists from Minnesota and beyond
frogs and their habits