Lesser Noctule vs Miller’s Mastiff Bat

Nyctalus leisleri compared with Molossus pretiosus

Key Differences

• Lesser Noctule is Endangered while Miller’s Mastiff Bat is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	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	Nyctalus	Molossus
Species	Nyctalus leisleri	Molossus pretiosus

Evolutionary Relationship

Lesser Noctule and Miller’s Mastiff Bat share a common ancestor at the Order level: Chiroptera. (Bats)

Conservation Status

Lesser Noctule

EN — Endangered

Miller’s Mastiff Bat

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Miller’s Mastiff Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesser Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Luxembourg, Sweden, and Ukraine. Currently classified as 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.