Big Brown Bat vs Chimaera

Eptesicus fuscus compared with Chimaera monstrosa

Key Differences

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

Taxonomic Classification

Rank	Big Brown Bat	Chimaera
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Holocephali (Holocephali)
Order	Chiroptera (Bats)	Chimaeriformes (Chimaeriformes)
Family	Vespertilionidae	Chimaeridae
Genus	Eptesicus	Chimaera
Species	Eptesicus fuscus	Chimaera monstrosa

Evolutionary Relationship

Big Brown Bat and Chimaera share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big Brown Bat

LC — Least Concern

Chimaera

VU — Vulnerable

Physical Characteristics

Attribute	Big Brown Bat	Chimaera
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.

Chimaera

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, and Sweden. 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.

Chimaera

The Chimaera (Chimaera monstrosa) is a species in the genus Chimaera. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.