Allen's Big-eared Bat vs Lesser Noctule

Idionycteris phyllotis compared with Nyctalus leisleri

Key Differences

• Allen's Big-eared Bat is Least Concern while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Allen's Big-eared Bat	Lesser Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Chiroptera (Bats)	Chiroptera (Bats)
Family same	Vespertilionidae	Vespertilionidae
Genus	Idionycteris	Nyctalus
Species	Idionycteris phyllotis	Nyctalus leisleri

Evolutionary Relationship

Allen's Big-eared Bat and Lesser Noctule share a common ancestor at the Family level: Vespertilionidae.

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Allen's Big-eared Bat	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Lesser Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Luxembourg, Sweden, and Ukraine. 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.