Abundancia, detectabilidade e padrão de atividade dos catetos (Dicotyles tajacu) em uma reserva com presença de javalis

Abstract

Collared peccaries (Dicotyles tajacu) play an important ecological role as seed dispersers and fruit consumers, directly influencing the structure and regeneration of native vegetation. In the Cerrado biome, the species faces multiple pressures, including the introduction of the wild boar (Sus scrofa), an invasive mammal with a wide global distribution and well-documented negative impacts on native fauna and flora. In this study, we evaluated whether the presence of wild boars influences the detectability and activity patterns of collared peccaries, as well as investigated other variables associated with their abundance and detectability. To do so, we analyzed the relative abundance and activity patterns of these species in a Private Natural Heritage Reserve (RPPN) in the Triângulo Mineiro region of Brazil. The results did not indicate the presence of wild boars as a significant variable in the detectability of collared peccaries when analyzed across two seasons. The species exhibited a high temporal overlap in activity patterns, averaging 70%, although we observed a shift in the peak activity time of the collared peccary relative to that of the wild boar.