Movie S1.

Footage of a leaf-eared mouse (Phyllotis spp.) at 6205 m on Volcán Llullaillaco, Región de Antofagasta, Chile (24°43.052'S, 68°33.323'W). Filmed by Matthew Farson.

Discovery of the world’s highest-dwelling mammal

Jay F. Storz, Marcial Quiroga-Carmona, Juan C. Opazo, Thomas Bowen, Matthew Farson, Scott J. Steppan, and Guillermo D’Elía

PNAS. 2020. 117:18169-18171 DOI: 10.1073/pnas.2005265117