10. Works Cited University of Oregon, www.uoregon.edu /.../picturegallery/frogs.jpg April 27, 2007. The Barn Owl Trust, http://www.barnowltrust.org.uk/content_images/desktopBackground/Frog_spawn.jpg , April 27,2007. Tadpole, http://www.aecos.com/CPIE/Tadpole2.jpg , April 23,2007. Frogs, http://www.poison-frogs.nl/e0207.html , April 23, 2007. All About Frogs, http://allaboutfrogs.org/weird/general/whatisfrog.html , April 24, 2007.