Big Brown Bat vs slender facelina

Eptesicus fuscus compared with Facelina auriculata

Key Differences

• Big Brown Bat is Least Concern while slender facelina is Vulnerable.

Taxonomic Classification

Rank	Big Brown Bat	slender facelina
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Chiroptera (Bats)	Nudibranchia (Nudibranchia)
Family	Vespertilionidae	Facelinidae
Genus	Eptesicus	Facelina
Species	Eptesicus fuscus	Facelina auriculata

Evolutionary Relationship

Big Brown Bat and slender facelina share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Big Brown Bat

LC — Least Concern

slender facelina

VU — Vulnerable

Physical Characteristics

Attribute	Big Brown Bat	slender facelina
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Brown Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Colombia, Ecuador, United States, and Venezuela.

slender facelina

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Big Brown Bat

The Big Brown Bat (Eptesicus fuscus) is a species in the genus Eptesicus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.