References
ADW. 2013. Pseudacris regilla. Northern Pacific Tree frog. <http://animaldiversity.ummz.umich.edu/accounts/Pseudacris_regilla/>. Accessed 27 October 2013.
EOL. 2013. Facts about Pacific tree frog (Pseudacris regilla). <http://eol.org/pages/330496/details>. Accessed 29 October 2013.
California Herps. 2013. Pseudacris regilla. Northern Pacific tree frog. <http://www.californiaherps.com/frogs/pages/p.regilla.html>. Accessed 29 October 2013.
The Johnson Lab: University of Colorado at Boulder. 2013.
Amphibian Malformations.
<http://www.colorado.edu/ebio/facultysites/pieter/amphibianmalformations.html>
Benard, M.F. 2006. Survival trade-offs between two predator-induced phenotypes in pacific treefrogs (Pseudacris regilla). Ecology 87:340-46.
Wente, W.H. and J.B. Phillips. 2005. Seasonal color change in a population of pacific treefrogs (Pseudacris regilla). Journal of Herpetology 39:161-65.
Learn that Word. 2013. Root Words & Prefixes: Quick Reference.
<http://www.learnthat.org/pages/view/roots.html>