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References

  • Ginsberg, J.R. (1988) Social Organization and Mating Strategies of an Arid-adapted Ungulate: the Grevy’s Zebra. Princeton University, Princeton, NJ.
  • Ginsberg, J.R. & Rubenstein, D.I. (1990) Sperm competition and variation in zebra mating-behavior. Behav. Ecol. Sociobiol. 26, 427434.
  • Grosenbaugh, L.R. (1952) Plotless timber estimates--new, fast, easy. J. Forestry 50, 3237.
  • NRC (1989) Nutrient Requirements of Horses, 5th edn. National Academy Press.
  • Rowen, M. (1992) Mother-infant Behavior and Ecology of Grevy’s Zebra. Yale University, New Haven, CT.
  • Rubenstein, D.I. (1994) The ecology of female social behavior in horses, zebras, and asses. In: Animal Societies: Individuals, Interactions, and Organization (Eds P.Jarman and A.Rossiter). Kyoto University Press, Kyoto.
  • Sheskin, D.J. (2004) Handbook of Parametric and Nonparametric Statistical Procedures. Chapman & Hall/CRC, Boca Raton.
  • Sundaresan, S.R., Fischhoff, I.R., Dushoff, J. & Rubenstein, D.I. (2007) Network metrics reveal differences in social organization between two fission-fusion species, Grevy’s zebra and onager. Oecologia 151, 140149.
  • Williams, S.D. (1998) Grevy’s Zebra: Ecology in a Heterogeneous Environment. University College London, London.
  • Williams, S.D. (2002) Status and action plan for the Grevy’s zebra (Equus grevyi). In: Equids: Zebras, Asses, and Horses: Status Survey and Conservation Action Plan (Ed. P. D.Moehlman). IUCN/SSC Equid Specialist Group, Gland, Switzerland.