Coss, R. G., McCowan, B. and Ramakrishnan, U.(2007). Threat-Related Acoustical Differences in Alarm Calls by Wild Bonnet Macaques (Macaca radiata) Elicited by Python and Leopard Models. Ethology 113 (2007): 352-367.
Williams, S. C., Ward, J. S. and Ramakrishnan, U. (2006). Deer Damage Management Options. Connecticut Agricultural Experiment Station Bulletin 1005. 15p.
Ramakrishnan, U., Daugherty, L., Pelkey, N., W., and Williams, S. C. (2006). Effects of Gender and Season on Spatial and Temporal Patterns of Deer-Vehicle Collisions. Proceedings of the 2005 International Conference on Ecology and Transportation., San Diego, CA. 478-488.
Ramakrishnan, U., R. G. Coss, Schank, J., A. Dharawat and S. Kim. (2005). Snake species discrimination by wild bonnet macaques (Macaca radiata). Ethology 111(4) :337-356 .
Coss, R. G., Ramakrishnan, U., and Schank, J. 2005. Recognition of partially concealed leopards by wild bonnet macaques (Macaca radiata) The role of the spotted coat. Behavioural Processes 68 (2005):145-163.
Magnarelli, L.A., Ijdo, J. W., Ramakrishnan, U, Henderson, D. W. Stafford, K. C. and Fikrig, E. 2004. Use of recombinant antigens of Borrelia burgdorferi and Anaplasma phagocytophilum in enzyme-linked immunosorbent assays to detect antibodies in white-tailed deer. Journal of Wildlife Diseases. 40(2): 249-258.
Ramakrishnan, U. and Williams, S. C. 2003. (Abstract) Buck sterilization as a potential white-tailed deer population control technique. 59th Annual Northeast Fish and Wildlife Conference Proceedings, Newport, Rhode Island.
Ramakrishnan, U. 2003. Deer Habitat and Behavior. New England Vegetable and Berry Conference and Trade Show and New England Fruit Meeting Proceedings. 266-268.
Coss, R.G., Marks, S. and Ramakrishnan, U. 2002. Early environment shapes the development of gaze aversion by wild bonnet macaques (Macaca radiata). Primates. 43 (3): 217-222.
Ramakrishnan, U. 2002. Methods of Controlling White-tailed Deer. Connecticut Nursery and Landscape Magazine. 2002(1): 14-15.
Ramakrishnan, U. and Coss, R. G. 2001. A Comparison of the Sleeping Behavior of Three Sympatric Primates. Folia Primatologica. 72(1):51-53.
Ramakrishnan, U. and Coss, R. G. 2001. Strategies used by Bonnet Macaques (Macaca radiata) to Reduce Predation Risk while Sleeping. Primates 42(3):193-206.
Ramakrishnan, U. 2001. Methods of controlling white-tailed deer. Frontiers of Plant Science 53(2) Spring 2001.
Ramakrishnan, U. and Coss, R. G. 2001. (Abstract) Ontogeny
of leopard-avoidance
behavior among bonnet macaques (Macaca radiata). Animal Behaviour
Society Conference Proceedings, Oregon State University.
Ramakrishnan, U., and Coss, R. G. 2000. Age Differences in the Responses to Adult and Juvenile Alarm Calls by Bonnet Macaques (Macaca radiata). Ethology 106: 131-144.
Ramakrishnan, U., and Coss, R. G. 2000. Recognition of heterospecific alarm vocalizations by bonnet macaques (Macaca radiata). Journal of Comparative Psychology. 114: 3-12.
Coss, R. G. and Ramakrishnan, U. 2000. Perceptual aspects of leopard recognition by wild bonnet macaques (Macaca radiata). Behaviour. 137: 315-336.
Ramakrishnan, U. and Pelkey, N. W., Coss, R. G. 1999. Tiger decline caused by the reduction of large ungulate prey: evidence from a study of leopard diets in southern India. Biological Conservation. 89: 113-120.
Ramakrishnan, U., Santosh, J. A., U. Ramakrishnan, R. Sukumar 1998. The population and Conservation Status of Asian Elephants in Periyar Tiger Reserve, Southern India. Current Science 74(2): 110-113.
Sukumar, R., Ramakrishnan, U., Santosh, J. A. 1998. Impact of poaching on an Asian elephant population in Periyar, southern India: a model of demography and tusk harvest. Animal Conservation. 1(4): 281-292.
Varman, K. S., Ramakrishnan, U, & Sukumar, R. 1995. Direct and Indirect Methods of Counting Elephants: A Comparison of Results from Mudumalai Sanctuary. In: A Week with Elephants (eds Daniel, J.C. and Datye, H.), Bombay Natural History Society, Bombay and Oxford University Press, New Delhi. pp. 331-339.
Sukumar, R., Varman, S. K., Santosh, J. A. Ramakrishnan,
U. 1991. Methods of Estimating Elephant Numbers: A Review. In: Censusing Elephants
in Forests, Proceedings of an International workshop. Technical Report No. 2,
IUCN/SSC Asian Elephant Conservation Centre, Bangalore, India.