Thomas's big-eared brown bat
Kingdom
Phylum
Subphylum
Class
Order
Genus
SPECIES
Histiotus laephotis

Thomas's big-eared brown bat (Histiotus laephotis ) is a species of vesper bat found in South America.

Appearance

Individuals weight approximately 11 g (0.39 oz).Its ears are very long relative to other members of its genus, at 32–33 mm (1.3–1.3 in) long.The ears are 23–24 mm (0.91–0.94 in) wide.Its fur is dark brown, with the tips of individual hairs lighter brown.Its ears and flight membranes are grayish in color.Its forearm is 46–51 mm (1.8–2.0 in) long.From head to tail, it is 104 mm (4.1 in) long.Its tail is 50 mm (2.0 in); its tragus is 11 mm (0.43 in) long.It can be differentiated from the similar small big-eared brown bat (Histiotus montanus ) by its yellowish fur, pale ears, and longer forearm.

Distribution

Geography

Its range includes Peru, Bolivia, and Argentina.In March 2006, it was documented in Brazil for the first time.A paper published in 2015 cited its first ever documentation in Chile.

Thomas's big-eared brown bat habitat map

Biome

Thomas's big-eared brown bat habitat map
Thomas's big-eared brown bat
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Population

Conservation

As of 2019, it is evaluated as near-threatened by the IUCN.Despite its reasonably wide distribution, it is dependent on fragile forest habitat that is significantly declining in extent and quality.

References

1. Thomas's big-eared brown bat Wikipedia article - https://en.wikipedia.org/wiki/Thomas's_big-eared_brown_bat
2. Thomas's big-eared brown bat on The IUCN Red List site - https://www.iucnredlist.org/species/136502/21974854

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