{{Short description|Species of bat}} {{Speciesbox | name = Big-eared brown bat | image = Histiotus macrotus 96455838.jpg | status = LC | status_system = IUCN3.1 | status_ref = <ref name="iucn status 14 November 2021">{{cite iucn |author=Barquez, R. |author2=Diaz, M. |date=2016 |title=''Histiotus macrotus'' |volume=2016 |article-number=e.T10201A22098780 |doi=10.2305/IUCN.UK.2016-3.RLTS.T10201A22098780.en |access-date=14 November 2021}}</ref> | genus = Histiotus | species = macrotus | authority = (Poeppig, 1835) | synonyms = {{specieslist | Nycticeius macrotus|Poeppig, 1835}} | range_map = Histiotus macrotus map.svg }}
The '''big-eared brown bat''' ('''''Histiotus macrotus''''') is a species of vesper bat found in Argentina, Paraguay, and Chile.
==Taxonomy== It was described as a new species in 1835 by German zoologist Eduard Friedrich Poeppig. Poeppig placed it in the genus ''Nycticeius'', with a binomial of ''N. macrotus''.<ref name="Poeppig 1835">{{cite book|last=Poeppig| first= E.| year=1835 | title=Reise in Chile, Peru und auf dem Amazonenstrome, wahrend der Jahre 1827-1832| url=https://archive.org/details/gri_33125008603298|page=[https://archive.org/details/gri_33125008603298/page/n480 451]|publisher=Leipzig. F. Fleischer}}</ref> By 1875, it was published under its current name combination, ''Histiotus macrotus''.<ref name="Peters 1875">{{cite journal|last=Peters|first=W.|year=1875|title=Hr. W. Peters las über die mit Histiotus velatus verwandten Flederthiere aus Chile|language=German|trans-title=Mr. W. Peters read about the Histiotus velatus related bats from Chile|pages=788–790|url=https://biodiversitylibrary.org/page/36128546|journal=Monatsberichte der Königlichen Preussische Akademie des Wissenschaften zu Berlin}}</ref>
==Description== It has large ears that exceed {{cvt|33|mm|in}} in length.<ref name="Gardner 2008">{{cite book| last=Gardner| first=A. L.| year=2008| publisher=University of Chicago Press| volume=1| title=Mammals of South America, Volume 1: Marsupials, Xenarthrans, Shrews, and Bats|pages=450–452| isbn=978-0-226-28242-8| url=https://books.google.com/books?id=dbU3d7EUCm8C}}</ref> 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.<ref name="Gimenez 2015">{{cite journal|doi=10.3161/15081109ACC2015.17.1.012|last1=Giménez| first1= A. L.| last2= Giannini| first2= N. P.| last3= Schiaffini| first3= M. I.| last4= Martin| first4= G. M.| year=2015| title= Geographic and potential distribution of a poorly known South American bat, Histiotus macrotus (Chiroptera: Vespertilionidae)| journal= Acta Chiropterologica| volume= 17| issue=1| pages= 143–158| hdl= 11336/37356| hdl-access= free}}</ref>
==Range and habitat== It is found in South America, where its range includes Argentina, Chile, and Paraguay. One study published that the species was found in Peru, 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 {{cvt|240-3600|m|ft}} above sea level.<ref name="iucn status 14 November 2021" />
==Conservation== As of 2016, it is evaluated as a least-concern species by the IUCN.<ref name="iucn status 14 November 2021" />
==References== {{Reflist}}
{{Vespertilionidae|V.|V.}} {{Taxonbar|from=Q307013}}
Category:Histiotus Category:Mammals described in 1835 Category:Mammals of Argentina Category:Mammals of Chile Category:Bats of South America Category:Taxonomy articles created by Polbot Category:Mammals of Paraguay Category:Taxa named by Eduard Friedrich Poeppig