Allen's Big-eared Bat vs Oahu Elepaio

Idionycteris phyllotis compared with Chasiempis ibidis

Key Differences

• Allen's Big-eared Bat is Least Concern while Oahu Elepaio is Endangered.

Taxonomic Classification

Rank	Allen's Big-eared Bat	Oahu Elepaio
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Passeriformes (Songbirds)
Family	Vespertilionidae	Monarchidae
Genus	Idionycteris	Chasiempis
Species	Idionycteris phyllotis	Chasiempis ibidis

Evolutionary Relationship

Allen's Big-eared Bat and Oahu Elepaio share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

Oahu Elepaio

EN — Endangered

Physical Characteristics

Attribute	Allen's Big-eared Bat	Oahu Elepaio
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Oahu Elepaio

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Allen's Big-eared Bat

The Allen's Big-eared Bat (Idionycteris phyllotis) is a species in the genus Idionycteris. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.