Allen's Big-eared Bat vs Atlantic Stream Crayfish

Idionycteris phyllotis compared with Austropotamobius pallipes

Key Differences

• Allen's Big-eared Bat is Least Concern while Atlantic Stream Crayfish is Endangered.

Taxonomic Classification

Rank	Allen's Big-eared Bat	Atlantic Stream Crayfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Malacostraca (Crustaceans)
Order	Chiroptera (Bats)	Decapoda (Decapoda)
Family	Vespertilionidae	Astacidae
Genus	Idionycteris	Austropotamobius
Species	Idionycteris phyllotis	Austropotamobius pallipes

Evolutionary Relationship

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

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

Atlantic Stream Crayfish

EN — Endangered

Physical Characteristics

Attribute	Allen's Big-eared Bat	Atlantic Stream Crayfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Atlantic Stream Crayfish

Habitat

Inhabits temperate broadleaf and mixed forests and temperate coniferous forests within the Palearctic biogeographic realm.

Range

Distributed across Ireland and United Kingdom. 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.

Atlantic Stream Crayfish

The Atlantic Stream Crayfish (Austropotamobius pallipes) is a species in the genus Austropotamobius. It is currently classified as Endangered on the IUCN Red List. Inhabits temperate broadleaf and mixed forests and temperate coniferous forests within the Palearctic biogeographic realm.