Miller’s Mastiff Bat vs Serotine

Molossus pretiosus compared with Eptesicus serotinus

Key Differences

• Miller’s Mastiff Bat is Least Concern while Serotine is Vulnerable.

Taxonomic Classification

Rank	Miller’s Mastiff Bat	Serotine
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	Molossidae	Vespertilionidae
Genus	Molossus	Eptesicus
Species	Molossus pretiosus	Eptesicus serotinus

Evolutionary Relationship

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

Conservation Status

Miller’s Mastiff Bat

LC — Least Concern

Serotine

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Miller’s Mastiff Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (7 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Serotine

Serotine (Eptesicus serotinus) 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.