Documentary which narrates the research work of Eileen Lacey and her collaborators, aimed at knowing the sociability of a population of Tuco-tucos in the Argentinean Puna. The documentary was filmed in Antofagasta de la Sierra, Catamarca province, in December 2019.  It was made by Timbó Films for Fundación Biodiversidad Argentina, as part of its documentary cycle «Biodiversity in Action».