Mammals of the World
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Lesser Myotis

Myotis blythii

Order
Chiroptera
Family
Vespertilionidae
Genus
Myotis
IUCN status
LC
Distribution
Portugal|Spain|France|Switzerland|Liechtenstein|Italy|Austria|Czech Republic|Poland|Slovakia|Hungary|Slovenia|Croatia|Bosnia and Herzegovina|Serbia|Kosovo|Montenegro|Albania|North Macedonia|Greece|Bulgaria|Romania|Moldova|Ukraine|Russia|Georgia|Armenia|Azerbaijan|Turkey|Cyprus|Syria|Lebanon|Israel|Palestine|Jordan|Iraq|Iran|Turkmenistan|Uzbekistan|Kazakhstan|Kyrgyzstan|Tajikistan|Afghanistan|Pakistan|India|Nepal|China|Mongolia
Realm
Palearctic

Other names: Lesser Mouse-eared Bat|Lesser Mouse-eared Myotis

About this species

Size
67–84mm
Weight
20–45g
Diet
Insects
Habitat
Warm open grassland, meadows, and extensive farmland
Range
Southern Europe to China

The lesser myotis is one of Europe's larger Myotis bats, measuring about 67–84mm with a 350–450mm wingspan and weight of 20–45g. It has grey-brown dorsal fur, a whitish to yellowish underside, a narrow pointed muzzle, and relatively short narrow ears. It closely resembles the greater mouse-eared bat, and confident field separation may require detailed measurements rather than a distant view. (French National Inventory of Natural Heritage; CMS)

Across its broad range from the Iberian Peninsula east toward China, the species favours warm open habitats such as damp meadows, pasture, and extensively managed farmland. Summer maternity groups may occupy attics, sometimes alongside horseshoe or bent-winged bats, while winter clusters use caves and other underground sites. It feeds on insects. The opened accounts did not identify a specific Mongolian roost or viewing locality. (Convention on Migratory Species; Wikipedia, general species account)

Description: Wildlife of Mongolia guide, Wildlife of Everywhere (wildlifeofeverywhere.com); general species information paraphrased from Wikipedia (CC BY-SA)

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CC-BY-SA-4.0 — Kudaibergen Amirekul — via iNaturalist (source)