WI Frog Call Sites
http://www.dnr.state.wi.us/org/caer/ce/eek/critter/amphibian/frogident.htm
http://www.pca.state.mn.us/kids/frogsforkids.html#mnfrogs
http://www.nwf.org/frogwatchUSA/frogs_state.cfm?showstate=wi#frogs
http://www.exploratorium.edu/frogs/tracker/
http://animaldiversity.ummz.umich.edu/site/topics/frogCalls.html
http://www.naturesound.com/frogs/frogs.html
http://wttsonline.org/
http://www.flmnh.ufl.edu/cnhc/croccomm.html
http://www.axolotl.org/
http://www.ssarherps.org/pages/GIH.php
www.herpers.com
www.ssarherps.org – The largest international herpetology society!
www.cnah.org –
The Center for North American Herpetology
www.waow.com/global/story.asp?s=9314377