# Spotted bat

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{{Short description|Species of mammal}}
{{Speciesbox
| name = Euderma maculatum
| status = LC
| status_system = IUCN3.1
| status_ref = <ref name="iucn status 12 November 2021">{{cite iucn |author=Arroyo-Cabrales, J. |author2=Álvarez-Castañeda, S.T. |date=2017 |title=''Euderma maculatum'' |volume=2017 |article-number=e.T8166A22028573 |doi=10.2305/IUCN.UK.2017-2.RLTS.T8166A22028573.en |access-date=12 November 2021}}</ref>
| image = Side view of spotted bat -Euderma maculatum- by Paul Cryan.jpg
| image_caption = Side view
| genus = Euderma
| parent_authority = [H. Allen](/source/Harrison_Allen), 1892
| display_parents = 2
| species = maculatum
| authority = ([Allen](/source/Joel_Asaph_Allen), 1891)
| range_map = Euderma maculatum map.svg
| synonyms = ''Euderma maculata'' (Allen, 1891)<br/>''Histiotus maculatus'' Allen, 1891
}}

The '''spotted bat''' ('''''Euderma maculatum''''') is a species of [vesper bat](/source/vesper_bat) and the only species of the genus '''''Euderma'''''.
thumb|At a bat rescue center in Arizona.

==Description==
The spotted bat was first described by zoologist [Joel Asaph Allen](/source/Joel_Asaph_Allen) from the [American Museum of Natural History](/source/American_Museum_of_Natural_History) in 1891. It can reach a length of 12&nbsp;cm and a wingspan of 35&nbsp;cm. The weight is about 15 g. It has three distinctive white spots on its black back. With ears that can grow up to 4&nbsp;cm, it is said to have the largest ears of any bat species in North America.<ref>{{Cite web |url=http://www.azgfd.gov/i_e/ee/resources/wild_kids/bats712.pdf |title=Classify a Chiropteran |access-date=2010-02-08 |archive-date=2016-12-21 |archive-url=https://web.archive.org/web/20161221050339/http://www.azgfd.gov/i_e/ee/resources/wild_kids/bats712.pdf }}</ref>  The spotted bat's mating season is in autumn and the females produce their offspring (usually one juvenile) in June or July. Its main diet is grasshoppers and moths.

==Habitat==
The habitats of the spotted bat are undisturbed roosts on cliffs along the [Grand Canyon](/source/Grand_Canyon) in [Arizona](/source/Arizona), and open and dense deciduous and coniferous forests, hay fields, deserts, marshes, riparian areas, and dry shrub-steppe grasslands in Arizona, [California](/source/California), [Colorado](/source/Colorado), [Oregon](/source/Oregon), [New Mexico](/source/New_Mexico), [Utah](/source/Utah), [Washington](/source/Washington_(state)), and [British Columbia](/source/British_Columbia), [Canada](/source/Canada).

==Threats==
Use of pesticides such as [DDT](/source/DDT) and other insecticides in the 1960s led to a severe decline in the spotted bat population, but current observations had shown that it is more common than formerly believed. Abundance, population trend, and threats are widely unknown.

==See also==
*[Bats of Canada](/source/Bats_of_Canada)
*[Bats of the United States](/source/Bats_of_the_United_States)

==References==
{{Reflist}}

==Further reading==
*David J. Schmidly, William B. Davis: ''The mammals of Texas'' University of Texas Press, 2004 {{ISBN|978-0-292-70241-7}}
*B. J. Verts, Leslie N. Carraway: ''Land mammals of Oregon''. University of California Press, 1998 {{ISBN|9780520211995}}

==External links==
*[https://web.archive.org/web/20070927065033/http://www.batcon.org/SPProfiles/index.asp?articleID=97 Spotted Bat]

{{Vespertilioninae nav}}
{{Taxonbar|from=Q301631|from2=Q10759438}}
{{Authority control}}

Category:Vespertilionidae
Category:Bats of the United States
Category:Bats of Canada
Category:Fauna of the Western United States
Category:Fauna of the Colorado Desert
Category:Fauna of the Mojave Desert
Category:Fauna of the Great Basin
Category:Fauna of the Sonoran Desert
Category:Fauna of the California chaparral and woodlands
Category:Taxa named by Harrison Allen
Category:Mammals described in 1891
Category:Least concern biota of the United States

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Adapted from the Wikipedia article [Spotted bat](https://en.wikipedia.org/wiki/Spotted_bat) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Spotted_bat?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.