Behaviour 2019
The effects of radio-collars on the social behavior of the white-lipped peccary (Tayassu pecari).
André Luiz G. Nogueira1, Selene S. C. Nogueira2, Sérgio Luiz G. Nogueira-Filho2. 1Universidade de São Paulo, Pirassununga, São Paulo, Brazil; 2Universidade Estadual de Santa Cruz, Ilhéus, Bahia, Brazil; 3Universidade Estadual de Santa Cruz, Ilhéus, Bahia, Brazil

Telemetry may have negative effects on the individual and population. Therefore, we aimed to analyze the effects of radio-collars on the social behavior of captive Tayassu pecari (six males and seven females, all adults). Prior to the study, we identified the most subordinate individual (omega) of the group, which is the main target of agonistic interactions and the easiest one to capture in the wild. We used a continuous focal-sampling method to record both agonistic and affiliative interactions that involved the omega (one hour before and one hour during feeding-time) over three consecutive days. We also measured the minimum distance between the omega and others by the scan-sampling method every 15 min. In the next week, we captured, weighed, and radio-collared the omega. Following animal release, we used the same data collection approach, totaling 12 observation hours (6h without and 6h with radio-collar). There was no significant change in the number of social interactions that involved the radio-collared individual and in its distance to others, both before and during feeding-time. Thus, the radio-collar has no negative effects on the social behavior of peccaries.