Big Brown Bat vs Serotine

Eptesicus fuscus compared with Eptesicus serotinus

Key Differences

• Big Brown Bat is Least Concern while Serotine is Vulnerable.

Taxonomic Classification

Rank	Big Brown Bat	Serotine
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class same	Mammalia (ثدييات)	Mammalia (ثدييات)
Order same	Chiroptera (خفاشيات)	Chiroptera (خفاشيات)
Family same	Vespertilionidae	Vespertilionidae
Genus same	Eptesicus	Eptesicus
Species	Eptesicus fuscus	Eptesicus serotinus

Evolutionary Relationship

Big Brown Bat and Serotine share a common ancestor at the Genus level: Eptesicus.

Conservation Status

Big Brown Bat

LC — Least Concern

Serotine

VU — Vulnerable

Physical Characteristics

Attribute	Big Brown Bat	Serotine
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.

Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (7 countries). Currently classified as Vulnerable 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.

Serotine

Serotine (Eptesicus serotinus) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 1 countries:

🇧🇪 Belgium