Alcock, John. Animal Behaviors. Sunderland: Sinauer Associates,Inc. 2001.

Allan, T.A. 1979. Eastern garter snake predation on dark-eyed junco nests. Jack-Pine Warbler 57: 168-
169.


Archibald, George W. and James C. Lewis. Crane Biology. In Cranes: Their biology, husbandry, and
conservation, Ellis DE, Gee GF and Mirande CM eds. Handcock House Publishers, Blaine,
Washing. 1996; 3.


Baker, P.J., J.P. Costanzo, J.B. Iverson, and R.E. Lee Jr. "Adaptations to terrestrial overwintering of
hatching northern map turtles, Graptemys geographica." Journal of Comparative physiology. B,
Biochemical, systemic, and environmental physiology. 176 (6) (2008): 691-698.


Behler, John L. and F. Wayne King. The Audubon Society Field Guide to North American Reptiles and
Amphibians. New York: Alfred A. Knopf. 1988.


Beletsky,Les. Birds of the World. Baltimore: John Hopkins University Press. 2006.

Blair, W. Frank. A Contribution of the Ecology and Faunal Relationships of the Mammals of the Davis

Mountain Region, Southwestern Texas. Ann Arbor: University of Michigan Press. 1940.


Blair, W. Frank. Evolution in the Genus Bufo. Austin: University of Texas Press. 1972.

Borror, Donald J., Charles A. Triplehorn and Norman F. Johnson. An Introduction to the Study of
Insects. Ft. Worth: Saunders College Publishing. 1989.


Borror, Donald J. and Richard E. White. Insects. Boston: Houghton Mifflin Company. 1970.

Bryan, Kelly, Tony Gallucci, Greg Lasley, Mark Lockwood and David H. Riskind. A Checklist of Texas
Birds. Austin: Texas Parks and Wildlife Press. 2007.


Bull, John and John Farrand, Jr. National Audubon Society Field Guide to North American Birds.
New York: Alfred A. Knopf. 2002.


Canadian Wildlife Service and U.S. Fish and Wildlife Service. 2007. International recovery plan for the
whooping crane. Ottawa: Recovery of Natinally Endangered Wildlife (RENEW), and U.S. Fish and
Wildlife Service, Albuquerque, New Mexico. 162pp.


Carroll, C. Ronald, Gary K. Meffe. Principles of Conservation Biology. Sinauer Associates:
Massachusetts. 1997.


Ceballos, Claudia P., Lee A. Filzgerald. "The trade in native and exotic turtles in Texas." Wildlife Society
Bulletin 32 (2004): 881-892.


Chipley, Robert M., George H. Fenwick, Michael J. Parr, and David N. Pashley. The American Bird
Conservancy Guide to the 500 Most Important Bird Areas in the United States. New York:
Random House. 2003.


Clark Jr., Donald R. and Robert R. Fleet. "The Rough Earth Snake (Virginia striatula): Ecology of a Texas
Population. The Southwestern Naturalist, Vol. 20, No. 4 (Jan. 10, 1076), pp. 467-478.


Conant, Roger and Joseph T. Collins. Reptiles and Amphibians Eastern/Central North America.
New York: Houghton Mifflin Company. 1998.


Conant, Roger. A Field Guide to The Life and Times of Roger Conant. Provo: Selva. 1997.

Del Hoyo, J., Elliott, A & Sargutal, J. eds (2002). Handbook of the birds of the world. Vol. 7. Jacamars
to Woodpeckers, Lynx Edicions, Barcelona.


Dixon, James R. and John E. Werler. Texas Snakes: A Field Guide. Austin: University of Texas Press
2005.


Dixon, James R. and John E. Werler. Texas Snakes: Identification, Distruibution, and Natural History.
Austin: University of Texas Press 2000.


Doughty Robin W. and Barbara M. Parmenter. Endangered Species Disappearing Animals and Plants in
the Lone Star State. Austin: Texas Monthly Press. 1989.


Drees, Bastiann M. and John A. Jackman. A Field Guide to Common Texas Insects. Houston: Gulf
Publishing Company. 1998.


Dunning, John B. Jr, Chris Elphick and David Allen Sibley. The Sibley Guide to Bird Life & Behavior.
New York: Alfred A. Knopf. 2001.


Dunning, John B. Jr, Chris Elphick and David Allen Sibley. The Sibley Guide to Bird Life & Behavior.
New York: Alfred A. Knopf. 2001.


Ellis, David H., George F. Gee and Claire M. Mirande. Cranes: Their Biology, Husbandry, and
Conservation. Blaine: Handcock House Publishers. 1996.


Ernst, Carl H. and Roger W. Barbour. Turtles of the World. Washington: Smithsonian Institution
Press. 1989.


Ernst, Carl H. and Evelyn M. Ernst. Snakes of the United States and Canada. Washington: Smithsonian
Books. 2003.


Ford, N.B., and J.R. Lowe, Jr. 1984. Sex pheromone source location by garter snakes: A mechanism
for detection of direction in non-volatile trails. J. Chem. Ecol. 10:1193-1199.


Forman, R. T. T., D. Sperling, J. A. Bissonette, A.P. Clevenger, C.D. Cutshall, V.H. Dale, L. Fahrig R.
France, C.R. Goldman, K. Heanue, J.A. Jones, F.J. Swanson, T. Turrentine, and T.C. Winter.
Road Ecology: Science and Solutions. Island Press, Washington, D.C. 2003.


Freeman, Scott and J. Herron. Evolutionary Analysis. Upper Saddle River: Prentice Hall. 2001.

Hilty, Steven. Birds of Tropical American: A Watcher's Introduction to Behavior, Breeding, & Diversity.
Austin: UT Press. 2005.


Griffin, Kathleen and Daniel H. Pletscher. Potential Effects of Highway Mortality and Habitat
Fragmentation on a Population of Painted Turtles in Montana [Online]. October 2006. Montana
Department of Transportation, Helena, MT.
Available: https://www.mdt.mt.gov/research/docs/research_proj/turtle/final_report.pdf [Dec 11
2008] .


Gibbons, J. Whitfield and Michael E. Dorcas. ENorth American Watersnakes A Natural History.
Norman: U of Oklahoma Press. 2004


Gill, Frank. Ornithology. New York: W.H. Freeman and Company. 1995.

Greene, Harry W. Snakes: The Evolution of Mystery in Nature. Berkeley: University of California Press.
1997.


Gullan, P.J. and P.S. Cranston. The Insects: An Outline of Entomology. Malden: Blackwell Publishing.
2000.


Hancocks, David. A Different Nature. Berkeley: University of California Press. 2001.

Johnson, Morris D. Feathers From The Prairie: A Short History of Upland Game Birds. Bismark: North
Dakota Game and Fish Department. 1964.


Klauber, Laurence. Rattlesnakes: Their Habit, Life Histories, & Influence on Mankind. Berkeley: 

University of California Press. 1982.


Leopold, Aldo. A Sand County Almanac. New York: Ballantine Books. 1966.

Lindeman, Peter. "Aspects of the Life History of the Texas Map Turtle (Graptemys versa)." American
Midland Naturalist 153 (2004): 378-388.


Louv, Richard. Last Child in the Woods: Saving our Children from Nature-deficit Disorder. Chapel Hill:
Algonquin Books of Chapel Hill. 2005.


Lorbiecki, Marybeth. A Fierce Green Fire. Connecticut: Globe Pequot Press. 2005.

Meine, Curt.Aldo Leopld: His Life and Work Madison: University of Wisconsin Press. 1988.
 
Milne, Lorus and Margery Milne. The Audubon Society Field Guide to North American Insects and
Spiders. New York: Knopf. 1988.


Moll, Don and Edward O. Moll. The Ecology, Exploitation, and Conservation of River Turtles. Oxford: 
Oxford University Press. 2004.


Murie, Olaus J. and Mark Elbroch. Animal Tracks. New York: Houghton Mifflin. 2005.

Munoz, Janie. Personal interview. 21 Nov. 2006.

National Geographic Society Field Guide to the Birds of North America. 2002. Washington D.C.:
National Geographic Press. 258 pp.


Parent, Laurence. Official Guide to Texas State Parks. Austin: University of Texas Press. 1997.

Parent, Laurence. Hiking Big Bend National Park: A Guide to Big Bend’s Greatest Hiking Adventures.
Connecticut: The Globe Pequot Press. 2005.


Pianka, Eric R. Ecology and Natural History of Desert Lizards. Princeton, NJ: Princeton University Press.
1986.


Pianka, Eric R. Evolution Ecology. San Francisco: Addison Wesley Longman, Inc. 2000.


Pianka, Eric R. and Laurie J. Vitt. Lizards: Windows to the Evolution of Diversity. Berkeley: University of
California Press. 2003.


Pimentel, David, Rodolfo Zuniga and Doug Morrison. "Update on the environmental and economica costs
associated with alien-invasive species in the United States." Ecological Economics 52 (2005): 273-
288.


Pritchard, Peter C.H. The Alligator Snapping Turtle: Biology and Conservation. Malabar: Krieger
Publishing Company. 2006.


Proctor, Noble S. and Patrick J. Lynch. Manual of Ornithology. New Haven: Yale University Press.
1993.


Redder, A.J., C.K. Dodd, Jr., and D. Keinath. (2006, May 16). Ornate Box Turtle (Terrapene ornata
ornata): a technical conservation assessment. [Online]. USDA Forest Service, Rocky Mountain
Region. Available: http://www.fs.fed.us/r2/projects/scp/assessments/ornateboxturtle.pdf [Dec 11
2008].


Reed, Robert N. and J. Whitfield Gibbons.(2004). Conservation status of live U.S. nonmarine turtles
in domestic and international trade: A report to U.S. Fish and Wildlife Service. [Online].
http://www.terrapininstitute.org/Turtle_trade_report.pdf


Rhodes, Richard. The Audubon Reader. New York: Alfred A. Knopf. 2006.

Schmidly, David J. Texas Natural History A Century of Chance. : Lubbock: Texas Tech University Press.
2002.


Schmidly, David J. The Mammal of Texas. Austin: University of Texas Press. 2004.

Shields, Andrew L. "Bog Turtles Slipping Away." Pennsylvnia Angler & Boater 1999: 23-26

Sibley, David Allen. The Sibley Guide to Birds. New York: Knopf. 2001.

Smith, Hobart M. Smith.Handbook of Lizards: Lizards of the United States and of Canada. Ithaca:
Cornell University Press. 1946.


Stebbins, Robert C. and Nathan W. Cohen. A Natural History of Amphibians. Princeton: Princeton
University Press. 1995.


Stiles, F. Gary and Alexander F. Skutch. A Guide to the Birds of Costa Rica. Cornell University Press:
Ithaca. 1990.


Stokes, Donald W. A Guide to Bird Behavior Volume I. Little, Brown and Company:
Boston. 1979.


Tesauro, Jason. "Restoring Wetland Habitats with Cows and other Livestock: A prescribed grazing
program to conserve bog turtle habitat in New Jersey." Conservation Biology In Practice 2.2
(2001): 26-30.


Thomas, Chad, Timothy H. Bonner and Bobby G. Whiteside. Freshwater Fishes of Texas. College
Station: Texas A&M Press. 2007.


Vince, Martin. Softbills Care, Breeding and Conservation. Washington: Hancock House Publishers. 1996.

Wauer, Roland H. and Carl M. Fleming. Naturalist’s Big Bend. College Station: Texas A&M Press.
2002.


Weisman, Alan. The World Without Us. New York: St. Martin's Press. 2007.

Wilcove, D.S., Rothstein, D., Bubow, J.,Phillips A., and Elizabeth Losos. "Quantifying threats to imperiled
species in the United States. BioScience 48 (8), 607-615.


Wilson, Edward O. Naturalist. Washington D.C. : Island Press. 1994.

Weisman, Alan. The World Without Us. New York: St. Martin's Press. 2007.

Wood, R.C., Herlands, R. (1997): Turtles and tires: the impact of roadkills on northern diamondback
terrapin, Malaclemys terrapin terrapin, populations on the Cape May Peninsula, Southern New
Jersey, USA. In: Van Abbema J. (Ed.), Proceedings of Conservation, Restoration, and
Management of Tortoises and Turtles – An International Conference. 11-16 July 1993, State
University of New York, Purchase. New York Turtle and Tortoise Society, New York: 46-53.