Elm Leech vs Miller’s Mastiff Bat

Hypsizygus ulmarius compared with Molossus pretiosus

Key Differences

• Elm Leech is Critically Endangered while Miller’s Mastiff Bat is Least Concern.

Taxonomic Classification

Rank	Elm Leech	Miller’s Mastiff Bat
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Agaricales (Gilled Mushrooms)	Chiroptera (Bats)
Family	Lyophyllaceae	Molossidae
Genus	Hypsizygus	Molossus
Species	Hypsizygus ulmarius	Molossus pretiosus

Conservation Status

Elm Leech

CR — Critically Endangered

Miller’s Mastiff Bat

LC — Least Concern

Physical Characteristics

Attribute	Elm Leech	Miller’s Mastiff Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Miller’s Mastiff Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.