Big Brown Bat vs Big Naked-backed Bat

Eptesicus fuscus compared with Pteronotus gymnonotus

Taxonomic Classification

Rank	Big Brown Bat	Big Naked-backed 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	Vespertilionidae	Mormoopidae
Genus	Eptesicus	Pteronotus
Species	Eptesicus fuscus	Pteronotus gymnonotus

Evolutionary Relationship

Big Brown Bat and Big Naked-backed Bat share a common ancestor at the Order level: Chiroptera. (Bats)

Conservation Status

Big Brown Bat

LC — Least Concern

Big Naked-backed Bat

LC — Least Concern

Physical Characteristics

Attribute	Big Brown Bat	Big Naked-backed 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.

Big Naked-backed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

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.

Big Naked-backed Bat

The Big Naked-backed Bat (Pteronotus gymnonotus) is a species in the genus Pteronotus. 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 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela