http://en.wikipedia.org/wiki/Frog
http://www.webspawner.com/users/petcentralamphibians/
http://animals.nationalgeographic.com/animals/amphibians/
http://www.ucmp.berkeley.edu/vertebrates/tetrapods/amphiblh.html
http://www.ucmp.berkeley.edu/vertebrates/tetrapods/amphibintro.html
Cody Svoboda
Jackson Seamans
