BIBLIOGRAPHY:

Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed at http://animaldiversity.org.
Sponsored in part by the Interagency Education Research Initiative, the Homeland Foundation and the University of Michigan Museum of Zoology.

Downs, Matthews Schafer, Kevin. Beneath the Canopy. United States: Chronicle Books, N/A.