greater mouse-eared bat vs Miller’s Mastiff Bat

Myotis myotis compared with Molossus pretiosus

Key Differences

• greater mouse-eared bat is Critically Endangered while Miller’s Mastiff Bat is Least Concern.

Taxonomic Classification

Rank	greater mouse-eared bat	Miller’s Mastiff Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Chiroptera (Bats)	Chiroptera (Bats)
Family	Vespertilionidae	Molossidae
Genus	Myotis	Molossus
Species	Myotis myotis	Molossus pretiosus

Evolutionary Relationship

greater mouse-eared bat and Miller’s Mastiff Bat share a common ancestor at the Order level: Chiroptera. (Bats)

Conservation Status

greater mouse-eared bat

CR — Critically Endangered

Miller’s Mastiff Bat

LC — Least Concern

Physical Characteristics

Attribute	greater mouse-eared bat	Miller’s Mastiff Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

greater mouse-eared bat

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (6 countries). 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.