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Timing and Synchrony of Births in Roe Deer

J. M. Gaillard, D. Delorme, J. M. Jullien, D. Tatin
DOI: http://dx.doi.org/10.2307/1382296 738-744 First published online: 20 August 1993

Abstract

We examined timing and synchrony of births in a highly productive population of roe deer (Capreolus capreolus) during 5 consecutive years. Neither among-year differences in average date of fawning nor among-year differences in the dispersion of births occurred. Births were synchronized in all years; 80% of births took place in <30 days. Moreover, the sex-ratio of fawns was not related to timing or synchrony of births. We postulate that highly synchronous births are a consequence of selection against late fawning because of the short time separating fawning and rut in roe deer.

Key words
  • Capreolus capreolus
  • Roe deer
  • timing of reproduction
  • synchrony of births
  • reproductive tactics
  • Trois Fontaines
  • France

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