Patagonian bonneted bat it is not thought to be in rapid population decline. Patagonian bonneted bat The Patagonian bonneted bat ("Eumops patagonicus"), also called the Patagonian dwarf bonneted bat, is a species of free-tailed bat found in Argentina, Bolivia and Paraguay. It was described as a new species in 1924 by British zoologist Oldfield Thomas. Thomas had obtained the holotype from Argentinean-Italian scientist Roberto Dabbene, who worked in Buenos Aires at the time. Its species name ""patagonicus"" means "belonging to Patagonia." The Patagonian bonneted bat was widely considered a subspecies of the dwarf bonneted bat ("Eumops bonariensis") from approximately 1932 until the 1990s.
Patagonian Desert known by name are those of the Tehuelche complex. Tehuelches lived as hunter-gatherers and did not practise agriculture in lush valleys found in the desert. In the 18th and 19th centuries the northern part of the desert came under Mapuche influence during a process of Araucanization. Mapuches came to practise horse husbandry in the northern part of the Patagonian steppe. Mapuche tribes came to control trade across the desert and traded with the cities of southern Chile as well as Buenos Aires and the Cuyo Region. From the mid-19th century onwards several Argentine and European settlements, some of them sporadic,