# Thick-eared bat (*Eptesicus pachyotis*)

Canonical page: https://creaturedata.com/animals/thick-eared-bat  
Data as of: 2026-11-11

The thick-eared bat (Eptesicus pachyotis) is a species in the family Vespertilionidae, order Chiroptera. Recorded adults weigh 8.1 g to 8.28 g. Its IUCN Red List status is Least Concern.

## Quick facts

| Fact | Value |
|---|---|
| Weight | 8.1 g – 8.28 g |
| Length | Not recorded |
| Lifespan | Not recorded |
| Diet | Invertivore |
| Main food | Not recorded |
| Habitat | Not recorded |
| Young per litter or clutch | Not recorded |
| Active | At night (nocturnal) |
| Lifestyle | Aerial |
| Conservation status | Least Concern (IUCN) |
| Countries on record | Not recorded |

## Classification

- kingdom: Animalia
- phylum: Chordata
- class: Mammalia
- order: Chiroptera
- family: Vespertilionidae
- genus: Eptesicus
- species: *Eptesicus pachyotis* (Dobson, 1871)

Synonyms: *Cnephaeus pachyotis*, *Vesperugo pachyotis*

## Common questions

### How big is the thick-eared bat?

An adult thick-eared bat weighs 8.1 g – 8.28 g, according to values recorded on Wikidata.

### Is the thick-eared bat endangered?

The thick-eared bat is listed as Least Concern on the IUCN Red List, meaning it is not currently at risk of extinction.

### What kind of animal is the thick-eared bat?

The thick-eared bat (Eptesicus pachyotis) belongs to the family Vespertilionidae in the order Chiroptera.

## Sources

- [An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles](https://doi.org/10.6084/m9.figshare.3563457.v1), CC0 1.0, E096-269. Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1
- [Catalogue of Life eXtended Release](https://www.checklistbank.org/dataset/316691), CC BY 4.0, 2026-10-16 XR. Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf
- [EltonTraits 1.0: species-level foraging attributes of the world's birds and mammals](https://doi.org/10.6084/m9.figshare.3559887.v1), CC0 1.0, 1.0. Wilman, H., Belmaker, J., Simpson, J., de la Rosa, C., Rivadeneira, M.M. & Jetz, W. (2014) EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95: 2027. https://doi.org/10.1890/13-1917.1. Data: https://doi.org/10.6084/m9.figshare.3559887.v1
- [Wikidata](https://www.wikidata.org), CC0 1.0, 2026-11-11. Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service).
- [Wikipedia (English)](https://en.wikipedia.org), CC BY-SA 4.0, 2026-11-11. Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).

Cite as: Thick-eared bat (Eptesicus pachyotis). Retrieved from https://creaturedata.com/animals/thick-eared-bat