Publications
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Yeater, D., Hill, H. M., Highfill, L. (2024). Envisioning the future of comparative cognition through an undergraduate lens. Comparative Cognition and Behavior Reviews, 19, 1-8. https://doi.org/10.3819/CCBR.2024.190010
Hill, H. M., et al., (2024). Effects of human-dolphin interactions on tourist knowledge, attitudes, and behaviors about dolphins and conservation. Animals and Society.
Willgohs, K., Williams, J., Crisostomo, I., Keck, K., Young-Erdos, C., & Highfill, L. (2023). College canines: Investigating the behavioral and physiological impacts of various college-housing environments on companion dogs. American Journal of Undergraduate Research.
Willgohs, K. R.*, Williams, J.*, Franklin, E., & Highfill, L. E. (2023). The Creative Canine: Investigating the concept of creativity in dogs (Canis lupus familiaris) using citizen science. International Journal of Comparative Psychology, 35.
Davis, M., Highfill, L., Makecha, R., Baksic, W.*, Graves, S.*, & Heaton, E.* (2023). Is there value in including information about animal cognition and emotion in zoo messaging? Visitor Studies, 26(1), 42-58.
Highfill, L., & Davis, M. (2020). Human helping of animals: What motivates it? Human-Animal Interaction Bulletin, 8(3), 23-34. [pdf]
Emigh, H., Truax, J., Highfill, L., & Vonk, J. (2019). Not by the same token: A female orangutan (Pongo pygmaeus) is selectively prosocial. Primates, https://doi.org/10.1007/s10329-019-00780-7
Highfill, L., Burns, M., Przystawik, K., & Vincent, J. (2018). Performance on a means-end task by African elephants (Loxondonta africana): A replication study. International Journal of Comparative Psychology, 31, 1-7. https://escholarship.org/uc/item/70v7j8s4 [pdf]
Highfill, L., & Yeater, D. (2018). Engaging undergraduates in comparative psychology: A case study. International Journal of Comparative Psychology, 31, 1-7. https://escholarship.org/uc/item/0qr3d58b [pdf]
Makecha, R., & Highfill, L. (2018). Environmental enrichment, marine mammals, and animal welfare: A brief review. Aquatic Mammals, 44(2), 221-230. [pdf]
DeVere, A., Lilley, M., & Highfill, L. (2017). Do pinnipeds have personality? Broad dimensions and contextual consistency of behavior in harbor seals (Phoca vitulina) and California sea lions (Zalophus californianus). International Journal of Comparative Psychology, 30, 1-15. [pdf]
Highfill, L., & Goodman-Wilson, M. (2017). Pets on campus: Best friend or bad decision? Human-Animal Interaction Bulletin, 5(2), 1-12. [pdf]
Zeigler-Hill, V., & Highfill, L. (2017). The interpersonal circumplex: A complementary approach for understanding animal personality. In J. Vonk, A. Weiss, & S. A. Kuczaj (Eds.) Personality in Nonhuman Animals. New York: Springer. [pdf]
Moreno, K., Highfill, L., & Kuczaj, S. (2017). Does personality similarity in bottlenose dolphin pairs influence dyadic bond characteristics? International Journal of Comparative Psychology, 30,1-15. [pdf]
Highfill, L., & Frick, E. (2017). Social mammals. In V. Zeigler-Hill, & T. K. Shackelford (Eds.) Encyclopedia of Personality and Individual Differences, Springer. [pdf]
Highfill, L., & DeVere, A. (2016). Animal personality. In V. Zeigler-Hill, & T. K. Shackelford (Eds.) Encyclopedia of Personality and Individual Differences, Springer. [pdf]
Highfill, L. E., Spencer, J. M, Fad, O., & Arnold, A. M. (2016). Performance on a means-end task by Asian elephants (Elephas maximus) in a positive reinforcement-based protected-contact setting. International Journal of Comparative Psychology. [pdf]
Highfill, L. E., Yeater, D., & Kuczaj., S. A. (2016). Catch! Dolphin (Tursiops truncatus) ball tossing to humans is affected by human perspective. Aquatic Mammals.42(2), 253-258.[pdf]
Highfill, L. E., & Kuczaj, S. A. (2015). More research on environmental enrichment for animals is needed. An introduction to the special issue on environmental enrichment. Animal Behavior and Cognition, 2(3), iii-v. [pdf]
Highfill, L., Fad, O., Makecha, R., & Kuczaj, S. (2013). Brief report: Asian elephants (Elephas maximus) may demonstrate stable personalities. International Journal of Comparative Psychology, 26, 233-240.[pdf]
Kuczaj, S. A. II, Highfill, L., & Byerly, H. (2012). The importance of considering context in the assessment of personality characteristics: Evidence from ratings of dolphin personality. International Journal of Comparative Psychology, 25, 309-329. [pdf]
Kuczaj, S. A. II, Highfill, L. E., Makecha, R. N., & Byerly, H. C. (2012). Why do dolphins smile? A comparative perspective on dolphin emotions and emotional responses. In S. Watanabe & S. Kuczaj (Eds.), Comparative Perspective of Human and Animal Emotion (pp. 63-85). New York: Springer. [pdf]
Kuczaj, S. A. II, Yeater, D., & Highfill, L. (2012). How selective is social learning in dolphins? International Journal of Comparative Psychology, 25, 221-236. [pdf]
Beran, M. J., & Highfill, L. E. (2011). Pay more attention to what (some) nonhuman animals and (some) humans can do: An introduction to the special issue on individual differences in comparative psychology. International Journal of Comparative Psychology, 24, 1-3.
Highfill, L. E., & Kuczaj, S. A. II (2010). How studies of wild and captive dolphins contribute to our understanding of individual differences and personality. International Journal of Comparative Psychology, 23, 269-277. [pdf]
Zeigler-Hill, V., & Highfill, L. (2010). Applying the interpersonal circumplex to the behavioral styles of dogs and cats. Applied Animal Behaviour Science, 124, 104-112. [pdf]
Highfill, L., Hanbury, D., Kristiansen, R., Kuczaj, S., & Watson, S. (2010). Rating versus coding in animal personality research. Zoo Biology, 29, 509-516. [pdf]
Hanbury, D. B., Fontenot, M. B., Highfill, L. E., Bingham, W., Bunch, D., & Watson, S. L. (2009). Efficacy of auditory enrichment in a prosimian primate (Otolemur garnetti). Lab Animal, 38, 122-125.
Highfill, L., Schwammer, H., & Kuczaj, S. II. (2007). A brief report: Can South American sea lions (Otaria byrona) understand communicative cues during an object-choice task? International Journal of Comparative Psychology, 20, 368-389.
Highfill, L., & Kuczaj, S. II (2007). Do bottlenose dolphins (Tursiops truncatus) have distinct and stable personalities? Aquatic Mammals, 33, 380-389. [pdf]
Kuczaj, S. A. II, & Highfill, L. E. (2005). Dolphin play: Evidence for cooperation and culture? Behavioral and Brain Sciences, 28, 705-706. [pdf]