Big Brown Bat vs Chestnut Sac-winged Bat

Eptesicus fuscus compared with Cormura brevirostris

Taxonomic Classification

Rank	Big Brown Bat	Chestnut Sac-winged Bat
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Mammalia (Säugetiere)	Mammalia (Säugetiere)
Order same	Chiroptera (Fledertiere)	Chiroptera (Fledertiere)
Family	Vespertilionidae	Emballonuridae
Genus	Eptesicus	Cormura
Species	Eptesicus fuscus	Cormura brevirostris

Evolutionary Relationship

Big Brown Bat and Chestnut Sac-winged Bat share a common ancestor at the Order level: Chiroptera. (Fledertiere)

Conservation Status

Big Brown Bat

LC — Least Concern

Chestnut Sac-winged Bat

LC — Least Concern

Physical Characteristics

Attribute	Big Brown Bat	Chestnut Sac-winged 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.

Chestnut Sac-winged 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.

Chestnut Sac-winged Bat

The Chestnut Sac-winged Bat (Cormura brevirostris) is a species in the genus Cormura. 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