Life in Cold Blood, Episode 2: Land Invaders
http://www.veoh.com/watch/v6294726he8KxhPM

Frogs: The Thin Green Line
https://www.youtube.com/watch?v=F7qryoBjnAk

AmphibiaWeb
http://amphibiaweb.org/index.html

Amphibian Species of the World
http://research.amnh.org/vz/herpetology/amphibia/

Foot-flagging frogs of India
https://www.youtube.com/watch?v=gOdwvrn7ors