1. Snake, in Zoology. (2004). In The Columbia Encyclopedia (6th ed.). New York: Columbia University Press. Retrieved September 24, 2007, from Questia.com
2. Huggett, R. J. (1997). Environmental Change: The Evolving Ecosphere. (p. 17) London: Routledge. Retrieved September 24, 2007 from Questia.com
3. Vitt, L. J., & Caldwell, J. P. (2001). Chapter 11 The Effects of Logging on Reptiles and Amphibians of Tropical Forests. In The Cutting Edge: Conserving Wildlife in Logged Tropical Forests, Fimbel, R. A., Grajal, A., & Robinson, J. G. (Eds.) (p. 239). New York: Columbia University Press. Retrieved September 24, 2007 from Questia.com
4. Snake, in Zoology. (2004). In The Columbia Encyclopedia (6th ed.). New York: Columbia University Press. Retrieved September 24, 2007, from Questia.com
5. Ibid.
6. Ibid.
7. Goulding, M., Smith, N. J., & Mahar, D. J. (1996). Floods of Fortune: Ecology and Economy along the Amazon, p. 64. New York: Columbia University Press. Retrieved September 24, 2007 from Questia.com
8. Ibid, pp. 65 – 66
9. Cutright, P. R. (1940). The Great Naturalists Explore South America, p. 245. New York: The Macmillan Company. Retrieved September 24, 2007 from Questia.com
1. Boa. (2004). In The Columbia Encyclopedia (6th ed.). New York: Columbia University Press. Retrieved September 24, 2007 from Questia.com
2. Ibid.
3. Ridgley, H. (November/December, 2001). What Lurks beneath? A Reptilian Head in a Venezuelan Swamp Masks the Extraordinary Size of a Tropical Serpent. International Wildlife. Retrieved September 24, 2007 from Questia.com
4. Cutright, P. R. (1940). The Great Naturalists Explore South America, p. 247. New York: The Macmillan Company. Retrieved September 24, 2007 from Questia.com
5. Snake. (September 24, 2007). In Wikipedia, The Free Encyclopedia. Retrieved September 24, 2007 from http://en.wikipedia.org/w/index.php?title=Snake&oldid=160004481
6. Jesus Rivas’s Website (2007). Research on Green Anaconda. Retrieved September 24, 2007 from http://pages.prodigy.net/anaconda/research.htm
7. Cutright, P. R. (1940). The Great Naturalists Explore South America, p. 247. New York: The Macmillan Company. Retrieved September 24, 2007 from Questia.com
8. Jesus Rivas’s Website (2007). Research on Green Anaconda. Retrieved September 24, 2007 from http://pages.prodigy.net/anaconda/research.htm
9. Thorbjarnarson, J. (July/August, 1995). Trailing the Mythical Anaconda. Americas (English Edition), Vol. 47. Retrieved September 24, 2007 from Questia.com
10. Ibid.
11. Jesus Rivas’s Website (2007). Research on Green Anaconda. Retrieved September 24, 2007 from http://pages.prodigy.net/anaconda/canib.htm
12. Jesus Rivas’s Website (2007). Research on Green Anaconda. Retrieved September 24, 2007 from http://pages.prodigy.net/anaconda/strike.htm
13. Cutright, P. R. (1940). The Great Naturalists Explore South America, pp. 244 – 245. New York: The Macmillan Company. Retrieved September 24, 2007 from Questia.com
14. Jesus Rivas’s Website (2007). Research on Green Anaconda. Retrieved September 24, 2007 from http://pages.prodigy.net/anaconda/research.htm
15. Ridgley, H. (November/December, 2001). What Lurks beneath? A Reptilian Head in a Venezuelan Swamp Masks the Extraordinary Size of a Tropical Serpent. International Wildlife. Retrieved September 24, 2007 from Questia.com
16. Bowen-Jones, E. (October 2006). Sinking the Arc: Fourteen Years after the Rio Earth Summit, Brazil Continues to Lose an Area of Rainforest the Size of Wales Every Year. Geographical, Vol. 78. Retrieved September 24, 2007 from Questia.com
17. Jesus Rivas’s Website (2007). Research on Green Anaconda. Retrieved September 24, 2007 from http://pages.prodigy.net/anaconda/llanos.htm
1. Vitt, L. J., & Caldwell, J. P. (2001). Chapter 11 The Effects of Logging on Reptiles and Amphibians of Tropical Forests. In The Cutting Edge: Conserving Wildlife in Logged Tropical Forests, Fimbel, R. A., Grajal, A., & Robinson, J. G. (Eds.), p. 239. New York: Columbia University Press. Retrieved September 24, 2007, from Questia.com
2. Ibid, pp. 257