Drea, C.M. (in press).  Endocrine mediators of masculinization in female mammals.  Current Directions in Psychological Science.  [PDF]

Drea, C.M. & Carter, A.N. (in press).  Cooperative problem solving in a social carnivore.  Animal Behaviour.  [PDF]

Leondhardt, S.D., Tung, J., Camden, J.B., Leal, M., & Drea, C.M. (in press).  Seeing red: Behavioral evidence of trichromatic color vision in strepsirrhine primates.  Behavioral Ecology.  [PDF]

Charpentier, M.J.E., Boulet, M., & Drea, C.M. (2008).  Smelling right: The scent of male lemurs advertises genetic quality and relatedness.  Molecular Ecology, 17(14): 3225-3233.  [PDF]

Charpentier, M.J.E., Williams, C., & Drea, C.M., Inbreeding depression in ring-tailed lemurs (Lemur catta): Genetic diversity predicts parasitism, immunocompetence, and survivorship, Conservation Genetics (2007) (In press: DOI: 10.1007/s10592-007-9499-4.)  [PDF]

Drea, C.M. & Scordato, E.S., Olfactory communication in the ringtailed lemur (Lemur catta): Form and function of multimodal signals. Chemical Signals in Vertebrates. Ed. J. Hurst, R.J. Beynon, S.C. Roberts, & T. Wyatt Springer Press, New York, 2007: 91-102.   [PDF]

Drea, C.M., Sex and seasonal differences in aggression and steroid secretion in Lemur catta: Are socially dominant females hormonally 'masculinized'?, Hormones & Behavior, vol. 51 no. 4 (2007), pp. 555-567  [PDF]

Drea, C.M. & Weil, A., External genital morphology of the ring-tailed lemur (Lemur catta): Females are naturally 'masculinized', Journal of Morphology , vol. 269 (2008), pp. 451-463  [PDF]

Scordato, E.S., Dubay, G., & Drea, C.M., Chemical composition of scent marks in the ringtailed lemur (Lemur catta): glandular differences, seasonal variation, and individual signatures, Chemical Senses, vol. 32 (2007), pp. 493-504  [PDF]

Scordato, E.S. & Drea, C.M., Scents and sensibility: Information content of olfactory signals in the ringtailed lemur (Lemur catta), Animal Behaviour, vol. 73 no. 2 (2007), pp. 301-314  [PDF]

Glickman, S.E., Cunha, J.R., Drea, C.M., Conley, A.J., & Place, N.J., Mammalian sexual differentiation: lessons from the spotted hyena, Trends in Endocrinology & Metabolism, vol. 17 (2006), pp. 349-356 (journal cover photo.)  [PDF]

Drea, C.M., Studying primate learning in group contexts: Tests of social foraging, response to novelty, and cooperative problem solving, Methods, vol. 38 no. 3 (2006), pp. 162-177  [PDF]

Drea, C.M., Bateman revisited: The reproductive tactics of female primates, Integrative and Comparative Biology, vol. 45 no. 5 (2005), pp. 915-923 (journal cover photo.) [PDF]

Drea, C.M. & Frank, L.G., The social complexity of spoted hyenas, in Animal Social Complexity: Intelligence, Culture, and Individualized Societies, edited by F.B.M de Waal & P.L. Tyack (2003), pp. 121-148, Cambridge, MA: Harvard University Press  [PDF]

Drea, C.M., Place, N.J., Weldele, M.L., Coscia, E.M., Licht, P. & Glickman, S.E., Exposure to naturally circulating androgens during foetal life incurs direct reproductive costs in female spotted hyenas, but is prerequisite for male mating, in Proceedings of the Royal Society of London, B, vol. 269 (2002), pp. 1981-1987  [PDF]

Drea, C.M., Vignieri, S.N., Cunningham, S.B., & Glickman, S.E., Responses to olfactory stimuli in spotted hyenas (Crocuta crocuta): I. Investigation of environmental odors and the function of rolling, Journal of Comparative Psychology, vol. 116 no. 4 (2002), pp. 331-341  [PDF]

Drea, C.M., Vignieri, S.N., Kim, H.S., Weldele, M.L., & Glickman, S.E., Responses to olfactory stimuli in spotted hyenas (Crocuta crocuta): II. Discrimination of conspecific scent, Journal of Comparative Psychology, vol. 116 no. 4 (2002), pp. 342-349  [PDF]

Place, N.J., Holekamp, K.E., Sisk, C.L., Weldele, M.L., Coscia, E.M., Drea, C.M., & Glickman, S.E., Persistent effects of prenatal treatment with anti-androgens on the hypothalamic-pituitary-gonadal axis of adult spotted hyenas, Paper presented at the 35th Annual Meeting of the Society for the Study of Reproduction, Baltimore, MD (July, 2002) (Abstract: Biology of Reproduction, 66 Suppl., 1: 513.)  [PDF]

Drea, C.M., Coscia, E.M., & Glickman, S.E., Hyenas, Encyclopedia of Reproduction, edited by E. Knobil, J. Neill, & P. Licht, vol. 2 (1999), pp. 718-725, San Diego: Academic Press  [PDF]

Drea, C.M. & Wallen, K, Low status monkeys "play dumb" when learning in mixed social groups, Proceedings of the National Academy of Sciences, USA, vol. 96 no. 22 (1999), pp. 12965-12969  [PDF]

Drea, C.M., Social context affects how rhesus monkeys explore their environment, American Journal of Primatology, vol. 44 (1998), pp. 205-214 [PDF]

Drea, C.M., Status, age, and sex effects on performance of discrimination tasks in group-tested rhesus monkeys (Macaca mulatta), Journal of Comparative Psychology, vol. 112 no. 2 (1998), pp. 170-182. [PDF]

Drea, C.M., Weldele, M.L., Forger, N.G., Coscia, E.M., Frank, L.G., Licht, P., & Glickman, S.E., Androgens and masculinization of genitalia in the spotted hyaena (Crocuta crocuta). 2. Effects of prenatal anti-androgens, Journal of Reproduction & Fertility, vol. 113 (1998), pp. 117-127  [PDF]

Glickman, S.E., Coscia, E.M., Frank, L.G., Licht, P., Weldele, M.L., & Drea, C.M., Androgens and masculinization of genitalia in the spotted hyaena (Crocuta crocuta). 3. Effects of juvenile gonadectomy, Journal of Reproduction & Fertility, vol. 113 (1998), pp. 129-135  [PDF]

Glickman, S.E., Zabel, C.J., Yoerg, S.I., Weldele, M., Drea, C.M., & Frank, L.G., Social facilitation, affiliation and dominance in the social life of spotted hyenas, Annals of the New York Academy of Sciences, Vol. 807: The Integrative Neurobiology of Affiliation, edited by C.S. Carter, I. I. Lederhendler, & B. Kirkpatrick (1997), pp. 175-184, NY: New York Academy of Sciences  [PDF]

Drea, C.M., Hawk, J.E., & Glickman, S.E., Aggression decreases as play emerges in infant spotted hyaenas: preparation for joining the clan, vol. 51 no. 6 (1996), pp. 1323-1336  [PDF]

Drea, C.M., Hawk, J.E., & Glickman, S.E., The emergence of affiliative behavior in infant spotted hyenas (Crocuta crocuta), Poster presented at the New York Academy of Sciences Conference on the Integrative Neurobiology of Affiliation, Washington, DC (March, 1996)  [PDF]

Drea, C.M. & Wallen, K., Gradual acquisition of visual discrimination tasks in a social group of rhesus monkeys (Macaca mulatta), Animal Learning & Behavior, vol. 23 no. 1 (1995), pp. 1-8  [PDF]

Drea, C.M., Wallen, K., Akinbami, A., & Mann, D.R., Neonatal testosterone and handedness in yearling rhesus monkeys (Macaca mulatta), Physiology & Behavior, vol. 58 no. 6 (1995), pp. 1257-1262  [PDF]

Fagot, J., Drea, C.M., & Wallen, K., Asymmetrical hand use in rhesus monkeys (Macaca mulatta) in tactually and visually regulated tasks, Journal of Comparative Psychology, vol. 105 no. 3 (1991), pp. 260-268 [PDF]