greater round-eared bat

{{Short description|Species of bat}}

{{Speciesbox

| name = Greater round-eared bat

| image =

| status = DD

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Barquez, R. |author2=Diaz, M. |date=2016 |title=Tonatia bidens |volume=2016 |page=e.T21983A21975435 |doi=10.2305/IUCN.UK.2016-2.RLTS.T21983A21975435.en |access-date=19 November 2021}}

| genus = Tonatia

| species = bidens

| authority = Spix, 1823

| range_map = Tonatia bidens map.svg

}}

The greater round-eared bat (Tonatia bidens) is a bat species found in northeastern and southern Brazil, northern Argentina, Paraguay and Bolivia.{{Cite book

| last = Simmons

| first = Nancy B.

| contribution = Chiroptera

| pages = 312–529

| title=Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed)

| editor-last = Wilson

| editor-first = Don E.

| editor2-last = Reeder

| editor2-first = DeeAnn M.

| url = https://www.departments.bucknell.edu/biology/resources/msw3/browse.asp?id=13801281

| publisher=Johns Hopkins University Press

| place = Baltimore

| year=2005

| isbn = 978-0-8018-8221-0

| access-date = 12 September 2009

}} The species feeds on fruit as well as hunting small birds. Once caught, birds are taken to a shelter and consumed.{{cite journal|doi=10.1017/S0266467400008944|title=Avian predation by the Round-eared Bat ( Tonatia bidens, Phyllostomidae) in the Brazilian Atlantic forest|journal=Journal of Tropical Ecology|volume=11|issue=3|pages=461–464|year=2009|last1=Martuscelli|first1=Paulo}}