Allen's Big-eared Bat vs barred rivulet

Idionycteris phyllotis compared with Perizoma bifaciata

Key Differences

• Allen's Big-eared Bat is Least Concern while barred rivulet is Vulnerable.

Taxonomic Classification

Rank	Allen's Big-eared Bat	barred rivulet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Chiroptera (Bats)	Lepidoptera (Butterflies & Moths)
Family	Vespertilionidae	Geometridae
Genus	Idionycteris	Perizoma
Species	Idionycteris phyllotis	Perizoma bifaciata

Evolutionary Relationship

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

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

barred rivulet

VU — Vulnerable

Physical Characteristics

Attribute	Allen's Big-eared Bat	barred rivulet
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

barred rivulet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Vulnerable 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.

barred rivulet

The Barred rivulet (Perizoma bifaciata) is a species in the genus Perizoma. It is currently classified as Vulnerable on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.