The big-eared brown bat (''Histiotus macrotus'') is a species of

vesper bat Vespertilionidae is a family of microbats, of the order Chiroptera, flying, insect-eating mammals variously described as the common, vesper, or simple nosed bats. The vespertilionid family is the most diverse and widely distributed of bat famili ...

found in

Argentina Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...

Paraguay Paraguay, officially the Republic of Paraguay, is a landlocked country in South America. It is bordered by Argentina to the Argentina–Paraguay border, south and southwest, Brazil to the Brazil–Paraguay border, east and northeast, and Boli ...

, and

Chile Chile, officially the Republic of Chile, is a country in western South America. It is the southernmost country in the world and the closest to Antarctica, stretching along a narrow strip of land between the Andes, Andes Mountains and the Paci ...

Taxonomy

It was described as a new species in 1835 by German

zoologist Zoology ( , ) is the scientific study of animals. Its studies include the structure, embryology, classification, habits, and distribution of all animals, both living and extinct, and how they interact with their ecosystems. Zoology is one ...

Eduard Friedrich Poeppig Eduard Friedrich Poeppig (16 July 1798 – 4 September 1868) was a German botanist, zoologist and explorer. Biography Poeppig was born in Plauen, Saxony. He studied medicine and natural history at the University of Leipzig, graduating with a med ...

. Poeppig placed it in the genus '' Nycticeius'', with a binomial of ''N. macrotus''. By 1875, it was published under its current name combination, ''Histiotus macrotus''.

Description

It has large ears that exceed in length. The fur on its back is dark brown, while its belly fur is whitish. The flight membranes and ears are the darkest parts of its body.

Range and habitat

It is found in

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...

, where its range includes

, and

. One study published that the species was found in

Peru Peru, officially the Republic of Peru, is a country in western South America. It is bordered in the north by Ecuador and Colombia, in the east by Brazil, in the southeast by Bolivia, in the south by Chile, and in the south and west by the Pac ...

, though the image of the specimen did not appear to show the big-eared brown bat. It has been documented at a range of elevations from above sea level.

Conservation

As of 2016, it is evaluated as a

least-concern species A least-concern species is a species that has been evaluated and categorized by the International Union for Conservation of Nature (IUCN) as not being a focus of wildlife conservation because the specific species is still plentiful in the wil ...

by the

IUCN The International Union for Conservation of Nature (IUCN) is an international organization working in the field of nature conservation and sustainable use of natural resources. Founded in 1948, IUCN has become the global authority on the status ...

References

{{Taxonbar, from=Q307013 Histiotus Mammals described in 1835 Mammals of Argentina Mammals of Chile Bats of South America Taxonomy articles created by Polbot Mammals of Paraguay Taxa named by Eduard Friedrich Poeppig