Big Brown Bat vs small skipper

Eptesicus fuscus compared with Thymelicus sylvestris

Key Differences

• Big Brown Bat is Least Concern while small skipper is Vulnerable.

Taxonomic Classification

Rank	Big Brown Bat	small skipper
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Chiroptera (Bats)	Lepidoptera (Butterflies & Moths)
Family	Vespertilionidae	Hesperiidae
Genus	Eptesicus	Thymelicus
Species	Eptesicus fuscus	Thymelicus sylvestris

Evolutionary Relationship

Big Brown Bat and small skipper share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Big Brown Bat

LC — Least Concern

small skipper

VU — Vulnerable

Physical Characteristics

Attribute	Big Brown Bat	small skipper
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.

small skipper

Habitat

Inhabits Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Found across Europe (37 countries) and North America (United States). 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.

small skipper

small skipper (Thymelicus sylvestris) 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 2 countries:

🇧🇪 Belgium 🇺🇸 United States