Abstract: Abrothrix jelskii is one of the lesser-known species in the genus Abrothrix, and it has only been recorded in a few localities in highland environments along the central Andean range. In Argentina, existing records are restricted to just one locality in Jujuy province. We have recently recorded this species in Salta Province, extending its known distribution 150 km northward in northwestern Argentina and 175 km further to the southeast compared to existing records from localities in southern Bolivia. Ten other rodent species were also recorded ...
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