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Current Ethology

versão On-line ISSN 2594-9985


MEDRI, Ísis Meri  e  MOURAO, Guilherme. Male-male aggression in free-ranging collared peccaries, Pecari tajacu (Artiodactyla, Tayassuidae), from Brazilian Pantanal. Curr. Ethol. [online]. 2016, vol.15, n.2, pp. 24-29. ISSN 2594-9985.

We video-recorded the first aggressive interaction between two wild adult male collared peccaries (Pecari tajacu), resulting in the death of the defeated individual. The aggressor repeatedly bit the scrotal area and the hind leg of the attacked individual, which remained lying on the ground, vocalizing and clicking his teeth. Occasionally, the attacked individual raised his head, unsuccessfully attempting to bite the attacker to defend himself. The attacked individual died few minutes later the end of the aggression. The aggression was possibly caused by competition for female in estrus.

Palavras-chave : Aggressive behavior; agonistic encounter; collared peccary; Pecari tajacu; Pecari tajacu.

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