deer: GPS tracking data of two male deer

Description Format Details References Examples


GPS telemetry data for two male deer during a one-week period in March 2005. The two deer form a male bachelor group, making them an interesting case study for studying dynamic interaction patterns. The data are a subset of the data used as a case study in Long et al. (2014).


An ltraj object with two bursts, representing the two different individual deer:

  • Deer no. 37 containing 551 fixes.

  • Deer no. 38 containing 567 fixes.


The deer data are stored as a single 'ltraj' object; two bursts contain the fixes for two individuals (deer37 and deer 38). GPS fixes were attempted at a regular sampling frequency of 15 minutes. For more information on these data how the deer data was collected or for citation please see the papers Webb et al. (2009, 2010).


Long, J.A., Nelson, T.A., Webb, S.L., Gee, K.L. (2014) A critical examination of indices of dynamic interaction for wildlife telemetry studies. Journal of Animal Ecology, 83: 1216-1233.

Webb, S.L., Gee, K.L., Demarais, S., Strickland, B.K., DeYoung, R.W. (2009) Efficacy of a 15-strand high-tensile electric fence to control white-tailed deer movements. Wildlife Biology in Practice, 5, 45-57.

Webb, S.L., Gee, K.L., Strickland, B.K., Demarais, S., DeYoung, R.W. (2010) Measuring fine-scale white-tailed deer movements and environmental influences using GPS collars. International Journal of Ecology, 2010, 1-12.


deer37 <- deer[1]
deer38 <- deer[2]

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