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College of Liberal and Fine Arts

Thad Bartlett, Ph.D.

Professor and Department Chair

Department of Anthropology

Research area: Biological Anthropology

Email: thad.bartlett@utsa.edu

Phone: (210) 458-5712

Office: MH 4.02.56

Research in Progress

My primary research interest is in the behavioral ecology of living primates. Behavioral ecology focuses on how individuals adapt to constraints imposed by physical and social environments. To be successful in an evolutionary sense, animals have to cope, minimally, with three problems: finding food, avoiding predators, and finding reproductive partners. Solutions to these problems will differ under differing ecological conditions and one goal of primatology is to document patterns of response across species in order to better understand the principles that guide primate adaptation and evolution. Under the umbrella of primate behavioral ecology I have focused in particular on the role of food availability in shaping primate behavior and social structure. My exploration of this topic has taken two very different tracks, first, through the study of foraging behavior and resource competition in wild primates and, second, through controlled studies of maternal undernutrition and progeny outcomes in captive baboons. Most recently, I have begun to focus on the applied dimensions of primate ecology. I am currently working with colleagues in Thailand and Malaysia to document gibbon density and distribution in human modified landscapes.


Ph.D., Washington University, 1999


I have taught broadly in Anthropology, including cultural anthropology and archaeology. I currently teach undergraduate and graduate courses in human origins, human nature, and primate behavior and ecology.

Prospective students: I am currently accepting applications from MA and Ph.D. students who share my research interests.

Current Ph.D. students: Nicholas Ellwanger, Lou Griffin, Alexandra Sheldon.

Representative Publications

2020 - Light LEO, Savini T, Sparks C, and Bartlett TQ. White-handed gibbons (Hylobates lar) alter ranging patterns in response to habitat type. Primates.

2020 - Mohd Rameli NIA, Lappan S, Bartlett TQ, Ahmad SK, Ruppert N. Are social media reports useful for assessing small ape occurrence? A pilot study from Peninsular Malaysia. American Journal of Primatology. 2020;e23112.

2019 - Ma CY, Brockelman WY, Light LEO, Bartlett TQ, and Fan PF. Infant loss during and after male replacement in gibbons. American Journal of Primatology 81:e23036.

2016 - Bartlett TQ, Light LEO and Brockelman WY. Long-term home range use in white-handed gibbons (Hylobates lar) in Khao Yai National Park. American Journal of Primatology. 78(2):192-203. 

2011 - Bartlett TQ. The Hylobatidae: small apes of Asia. In: Primates in Perspective 2nd Edition, CJ Campbell, A Fuentes, KC MacKinnon, RM Stumpf and SK Bearder (eds). Oxford University Press, pp. 300-312.

2009 - Bartlett, Thad Q. The Gibbons of Khao Yai: Seasonal Variation in Behavior and Ecology. Upper Saddle River, NJ: Pearson Prentice Hall.

2009 - Bartlett, Thad Q. Seasonal Home Range Use and Defendability in White-Handed Gibbons (Hylobates lar) in Khao Yai National Park, Thailand. In The Gibbons: New Perspectives on Small Ape Socioecology and Population Biology. Edited by Lappan, S. M., Whittaker, D. and Geissmann, T. Pp. 265-275. Berlin: Springer.

2003 - Bartlett, Thad Q. Intragroup and Intergroup Social Interactions in Hylobates lar. International Journal of Primatology 24(2): 239-259.


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Main Office: MH 4.03.38

Department of Anthropology

University of Texas at San Antonio

College of Liberal and Fine Arts

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San Antonio, TX 78249-1644