Allen's Big-eared Bat vs Small Crest

Idionycteris phyllotis compared with Anarsia spartiella

Key Differences

• Allen's Big-eared Bat is Least Concern while Small Crest is Endangered.

Taxonomic Classification

Rank	Allen's Big-eared Bat	Small Crest
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Chiroptera (Bats)	Lepidoptera (Butterflies & Moths)
Family	Vespertilionidae	Gelechiidae
Genus	Idionycteris	Anarsia
Species	Idionycteris phyllotis	Anarsia spartiella

Evolutionary Relationship

Allen's Big-eared Bat and Small Crest share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

Small Crest

EN — Endangered

Physical Characteristics

Attribute	Allen's Big-eared Bat	Small Crest
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Small Crest

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, and Sweden. 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.