Big Brown Bat vs Eastern Small-Footed Bat

Eptesicus fuscus compared with Myotis leibii

Key Differences

• Big Brown Bat is Least Concern while Eastern Small-Footed Bat is Endangered.

Taxonomic Classification

Rank	Big Brown Bat	Eastern Small-Footed Bat
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	Eptesicus	Myotis
Species	Eptesicus fuscus	Myotis leibii

Evolutionary Relationship

Big Brown Bat and Eastern Small-Footed Bat share a common ancestor at the Family level: Vespertilionidae.

Conservation Status

Big Brown Bat

LC — Least Concern

Eastern Small-Footed Bat

EN — Endangered

Physical Characteristics

Attribute	Big Brown Bat	Eastern Small-Footed Bat
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.

Eastern Small-Footed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States. Currently classified as Endangered 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.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States