---
title: "Allen's Big-eared Bat"
description: "Idionycteris phyllotis — Mamíferos. Allen's big-eared bat (Idionycteris phyllotis), also known as the lappet-browed bat, is a species of vesper bat in the monotypic genus Idionycteris."
canonical: https://animalchecklist.com/pt/animal/allen-s-big-eared-bat
last_updated: 2026-09-20
---

# Allen's Big-eared Bat

> Idionycteris phyllotis — Mamíferos. Allen's big-eared bat (Idionycteris phyllotis), also known as the lappet-browed bat, is a species of vesper bat in the monotypic genus Idionycteris.

- Scientific name: *Idionycteris phyllotis*
- Category: `mammals` (Mamíferos)
- Habitats: unknown
- iNaturalist observations: 59
- Wikidata: [Q247338](https://www.wikidata.org/wiki/Q247338)
- iNaturalist taxon: [40621](https://www.inaturalist.org/taxa/40621)

## Names

- en: Allen's Big-eared Bat
- de: Allen-Langohrfledermaus
- es: Murciélago mula de Allen

## Countries with the most observations

MX (29)

## Summary

Allen's big-eared bat (Idionycteris phyllotis), also known as the lappet-browed bat, is a species of vesper bat in the monotypic genus Idionycteris.  It occurs in Mexico and in Arizona, California, Nevada, New Mexico, Utah, and Colorado in the United States.

Text: Wikipedia (en), CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Allen%27s_big-eared_bat

## Photo

![Allen's Big-eared Bat](https://animalchecklist.com/img/animals/allen-s-big-eared-bat/medium.jpg)

Photo: Daniel Estabrooks · CC0 · inaturalist — https://www.inaturalist.org/observations/96364283

## Machine access

`GET https://animalchecklist.com/api/v1/animals/allen-s-big-eared-bat?lang=pt` — see [openapi.json](https://animalchecklist.com/openapi.json).