Big Brown Bat vs Miller’s Mastiff Bat

Eptesicus fuscus compared with Molossus pretiosus

Taxonomic Classification

Rank	Big Brown Bat	Miller’s Mastiff Bat
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mamalia)	Mammalia (mamalia)
Order same	Chiroptera (Kelelawar)	Chiroptera (Kelelawar)
Family	Vespertilionidae	Molossidae
Genus	Eptesicus	Molossus
Species	Eptesicus fuscus	Molossus pretiosus

Evolutionary Relationship

Big Brown Bat and Miller’s Mastiff Bat share a common ancestor at the Order level: Chiroptera. (Kelelawar)

Conservation Status

Big Brown Bat

LC — Least Concern

Miller’s Mastiff Bat

LC — Least Concern

Physical Characteristics

Attribute	Big Brown Bat	Miller’s Mastiff 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.

Miller’s Mastiff 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.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela