Big Brown Bat vs Lesser Clouded Yellow

Eptesicus fuscus compared with Colias chrysotheme

Key Differences

• Big Brown Bat is Least Concern while Lesser Clouded Yellow is Vulnerable.

Taxonomic Classification

Rank	Big Brown Bat	Lesser Clouded Yellow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Chiroptera (Bats)	Lepidoptera (Butterflies & Moths)
Family	Vespertilionidae	Pieridae
Genus	Eptesicus	Colias
Species	Eptesicus fuscus	Colias chrysotheme

Evolutionary Relationship

Big Brown Bat and Lesser Clouded Yellow share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Big Brown Bat

LC — Least Concern

Lesser Clouded Yellow

VU — Vulnerable

Physical Characteristics

Attribute	Big Brown Bat	Lesser Clouded Yellow
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.

Lesser Clouded Yellow

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (9 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.