Big Brown Bat vs Big Free-tailed Bat

Eptesicus fuscus compared with Nyctinomops macrotis

Taxonomic Classification

Rank	Big Brown Bat	Big Free-tailed 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	Molossidae
Genus	Eptesicus	Nyctinomops
Species	Eptesicus fuscus	Nyctinomops macrotis

Evolutionary Relationship

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

Conservation Status

Big Brown Bat

LC — Least Concern

Big Free-tailed Bat

LC — Least Concern

Physical Characteristics

Attribute	Big Brown Bat	Big Free-tailed 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 Free-tailed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, 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 Free-tailed Bat

The Big Free-tailed Bat (Nyctinomops macrotis) is a species in the genus Nyctinomops. 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 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela