Dr. Christopher Gienger Biography
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C.M. Gienger

Associate Professor, Curator of HerpetologyChris Gienger

Sundquist Science Complex, Room A135
P.O. Box 4718
Clarksville, TN 37044
(931) 221-7076
email: giengerc@apsu.edu
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Gienger Lab Webpage:


Ph.D. University of Nevada, Reno (Ecology, Evolution, and Conservation Biology), 2009
M.S. University of Nevada, Reno (Biology), 2003
B.S. Central Washington University (Biology), 2000 


Research Methods, Zoological Diversity, Herpetology

Research Interests

Ecology and Physiology of Amphibians and Reptiles

Selected Publications

Gienger, C.M., C.R. Tracy, and K.A. Nagy. 2014. Life in the lizard slow-lane: Gila monsters have low rates of energy use and water flux. Copeia 2014(2):279-287.

Gienger, C.M., C.R. Tracy, and L.C. Zimmerman. 2013. Thermal responses to feeding in a secretive and specialized predator (Gila monster, Heloderma suspectum). Journal of Thermal Biology 38(3):143-147.

Gienger, C.M., C.R. Tracy, M.L. Brien, S.C. Manolis, G.J.W. Webb, R.S. Seymour, and K.A. Christian. 2012. Energetic costs of digestion in Australian crocodiles. Australian Journal of Zoology 59(6): 416-421.

Gienger, C.M. and D.D. Beck. 2011. Northern Pacific rattlesnakes (Crotalus oreganus) use thermal and structural cues to choose overwintering hibernacula. Canadian Journal of Zoology 89: 1084-1090.

Gienger, C.M. and C.R. Tracy. 2008. Ecological interactions between Gila monsters (Heloderma suspectum) and desert tortoises (Gopherus agassizii). Southwestern Naturalist 53(2): 265-268.

Gienger, C.M. and D.D. Beck. 2007. Heads or tails? Sexual dimorphism in helodermatid lizards. Canadian Journal of Zoology 85: 92-98.

Gienger, C.M., D.D. Beck, N.C. Sabari, and D.L. Stumbaugh. 2002. Dry season habitat use by lizards in a tropical deciduous forest of western Mexico. Journal of Herpetology 36: 487-490.