Abstract
Leopardus jacobita (Andean mountain cat) is one of the rarest and most understudied felids. Field sightings of this species are few, with most knowledge of this species coming from camera traps and fecal samples. In this observation, we saw how anthropogenic influences, in this case domestic dogs, are a threat to the species persistence, even in protected areas. In addition, we were able to witness the Andean mountain cat successfully kill a Lagidium viscacia (Mountain Viscacha) (Rodentia: Chinchillidae), which is highlighted to be a major prey item for the cat.
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