Behavioral Ecology Publications
- Young, T.P. & L.A. Isbell. 1991. Sex differences in giraffe feeding ecology: energetic and social constraints. Ethology 87: 79-89. pdf
- Ginsberg, J.R. & T.P. Young. 1992. Measuring association between individuals and groups in behavioural studies. Animal Behaviour 44: 377-379.
- Madden, D. & T.P. Young. 1992. Ants as alternative defenses against giraffe herbivory in spinescent Acacia drepanolobium. Oecologia 91: 235-238.
- Isbell, L.A. & T.P. Young. 1993. Human presence reduces leopard predation in a free-ranging population of vervet monkeys (Cercopithecus aethiops). Animal Behaviour 45: 1233-1235.
- Isbell, L.A. & T.P. Young. 1993. Social and ecological influences on activity budgets of vervet monkeys, and their implications for group living. Behavioral Ecology and Sociobiology 32: 377-385.
- Young, T.P. & M.E. Evans. 1993. Alpine vertebrates of Mount Kenya, with particular notes on the rock hyrax. Journal of the East African Natural History Society 82(202): 54-79.
- Young, T.P. 1994. Natural die-offs of large mammals: implications for conservation. Conservation Biology 8:410-418.
- Young, T.P. & L.A. Isbell. 1994. Minimum group size and other conservation lessons exemplified in a naturally declining primate population. Biological Conservation 68: 129-134.
- Oloo, T., R. Brett & T.P. Young. 1994. Seasonal variation in feeding ecology of black rhinoceros ( Diceros bicornis L.) in Laikipia, Kenya. African Journal of Ecology 32: 142-157.
- Young. T.P. & A.P. Smith. 1994. Alpine herbivory on Mount Kenya. 219-235 in: Tropical Alpine Environments: Plant Form and Function. P.W. Rundel, A.P. Smith & F.C. Meinzer, eds. Cambridge University Press, Cambridge.
- Young, T.P. 1995. 'The evolution of group size and the evolution of group living' and 'Predation risk, predation rate, and the effectiveness of anti-predator traits'. Boxes in: Isbell, L.A. Predation on primates: ecological patterns and evolutionary consequences. Evolutionary Anthropology 3: 62-71.
- Isbell, L.A. & T.P. Young. 1996. The evolution of bipedalism in hominids and reduced group size in chimpanzees: alternative responses to decreasing resource availability. Journal of Human Evolution 30:289-297.
- Young, T.P. 1996. Little criminals. Pp. 117-126 in: I've been gone far too long. M. Borgerhof Mulder, ed. RDR Press, Berkeley. (Reprinted in Natural History, June 1996:28-31.)
- Wester, A. & T.P. Young. 1997. Spatial pattern of deer herbivory at suburban forest edges. Restoration & Management Notes 15:186-187.
- Russo, C. & T.P. Young. 1997. Egg and seed removal at urban and suburban forest edges. Urban Ecosystems 1:171-178.
- Isbell, L.A., J. Pruetz and T.P. Young. 1998. Movements of vervet and patas monkeys as estimators of food resource site, density, and distribution. Behavioural Ecology and Sociobiology 42:123-133.
- Isbell L.A., J. Pruetz, & T.P. Young. 1998. Locomotor activities of sympatric vervet and patas monkeys: implications for hominid hindlimb evolution. Am. J. Physical Anthropology 105:199-207.
- Ostro, L.E.T., S.C. Silver, F.W. Koontz, T.P. Young and R. H. Horwich. 1999. Ranging behavior of translocated and established groups of black howler monkeys Alouatta pigra in Belize, Central America. Biological Conservation 87:181-190.
- Ostro, L., T.P. Young, S.C. Silver, and F.W. Koontz. 1999. A geographic information system (GIS) method for estimating home-range size. Journal of Wildlife Management 63:748-755.
- Isbell, L.A., J. Pruetz, B.M. Nzuma, and T.P. Young. 1999. Comparing measures of daily travel distance in primates: methodological considerations and socioecological implications. American Journal of Primatology 48:87-98.
- Isbell, L.A., J. Pruetz & M. Lewis, T.P. Young. 1999. Rank differences in ecological behavior: a comparative study of patas monkeys (Erythrocebus patas) and vervets (Cercopithecus aethiops). International Journal of Primatology 20:257-272.
- Ostro, L.E.T., T.P. Young, S.C. Silver, F.W. Koontz. 2000. Habitat selection by translocated howler monkeys in Belize. Animal Conservation 3: 175-181.
- Young, T.P. 2000. Matching wits with the hyrax. Muse Magazine, September, 28-34. (adapted from publication #13).
- Isbell, L.A. & T.P. Young. 2002. Ecological models of female social relationships in primates: similarities, disparities, and some directions for future clarity. Behaviour 139:177-202.
- Young, T.P., S. Talbot & W. Wamiti. 2003. Checklist of the birds of Mpala/Segera. 8 pp.
- Young, T.P., T.M. Palmer & M.E. Gadd. 2005. Competition and compensation among cattle, zebras, and elephants in a semi-arid savanna in Laikipia, Kenya. Biological Conservation 122:351-359.
- Stanton, M.L., T.M. Palmer, & T.P. Young. 2005. Ecological barriers to early colony establishment in three coexisting acacia-ant species in Kenya. Insectes Sociaux 52:393-401.
- Odadi, W.O., T.P. Young, & J.B. Okeyo-Owuor. 2007. The effects of wild herbivores on cattle diet in Laikipia rangeland, Kenya. Rangeland Ecology and Management 60:179-185.
- Isbell, L.A. and T. P. Young. 2007. Interspecific and temporal variation in domatia contents of the ant-plant Acacia drepanolobium, a staple food for patas monkeys (Erythrocebus patas) in Laikipia, Kenya. American Journal of Primatology 69:1387-1398.
- Off, E.C., L.A. Isbell & T.P. Young. 2008. Population density and habitat preferences of the Kenya Lesser Galago (Galago senegalensis braccatus) along the Ewaso Nyiro River, Laikipia, Kenya. Journal East African Natural History 97:109-116.
- Odadi, W., T.P. Young, & J. Okeyo-Owuor. 2009. The effects of wild herbivores on cattle intake and movement rates in Laikipia rangeland, Kenya. Journal of Applied Animal Behavior Research 33:263-268.
- Isbell, L.A., T.P. Young, and A.H. Harcourt. 2012. Stag parties linger: continued gender bias in a female-rich scientific discipline. PLoS ONE 7(11): e49682.
- Odadi, W.O., S.A. Abdulrazak, M.M. Karachi, & T.P. Young. 2013. Protein supplementation driven shifts in forage selection by cattle: implications for cattle wildlife coexistence. Ecological Applications 23:455-463.
- Odadi, W.O., D.M. Kimuyu, C. Riginos, K.E. Veblen and T.P. Young. 2017. Fire triggers negative responses of cattle to shared foraging with African native ungulates. Journal of Applied Ecology 54: 935–944. (Editor’s Choice).
- Odadi, W.O., G.K. Charles, and T.P. Young. 2018. Cattle preferentially forage on African savanna termite mounds, but not when they share habitat with wild ungulates. Ecology & Evolution 8:9074-9085.
- Isbell, L.A, L.R. Bidner, J.C. Loftus, D. Kimuyu, and T.P. Young. 2021. Absentee owners and overlapping home ranges in a territorial species. Behavioural Ecology and Sociobiology 75:21.