From exploration to establishment: Activity changes of the first collared peccary (Pecari tajacu) group reintroduced in South America
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Towson University
University of British Columbia
Cindy M. Hurtado   

Towson University, Forest Sciences Centre, 2424 Main Mall, V6T 1Z4 Vancouver, Canada
Online publication date: 2018-08-07
Publication date: 2018-11-28
Hystrix It. J. Mamm. 2018;29(2):229–231
Reintroduction has become an increasingly common approach for conservation of endangered species. However, reintroductions can be logistically challenging and expensive, with uncertain outcomes, making it a priority to establish effective post-release monitoring techniques. In north-eastern Argentina, collared peccaries (Pecari tajacu) have been locally extinct for over 50 years. As part of a multi-species rewilding project, seven captive-born collared peccaries were released into Ibera Nature Reserve in 2015. Using radio telemetry and camera traps, we evaluated temporal changes in the peccaries’ post-release activity budget and activity patterns as indicators of reintroduction progress and potential establishment into the new area. Collared peccaries changed their activity budget and peak periods of activity towards a more natural pattern a year after release, from 30% to 49% foraging time and 18% to 2% traveling time. Our results highlight the potential of using activity budget assessments and camera trapping data to monitor the progress of introduced individuals and inform managers’ decision-making process after reintroductions.