Big Brown Bat vs Elm Leech

Eptesicus fuscus compared with Hypsizygus ulmarius

Key Differences

• Big Brown Bat is Least Concern while Elm Leech is Critically Endangered.

Taxonomic Classification

Rank	Big Brown Bat	Elm Leech
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Chiroptera (Bats)	Agaricales (Gilled Mushrooms)
Family	Vespertilionidae	Lyophyllaceae
Genus	Eptesicus	Hypsizygus
Species	Eptesicus fuscus	Hypsizygus ulmarius

Conservation Status

Big Brown Bat

LC — Least Concern

Elm Leech

CR — Critically Endangered

Physical Characteristics

Attribute	Big Brown Bat	Elm Leech
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.

Elm Leech

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States). Currently classified as Critically Endangered 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.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇺🇸 United States