Harmless Serotine vs Miller’s Mastiff Bat

Eptesicus innoxius compared with Molossus pretiosus

Key Differences

• Harmless Serotine is Near Threatened while Miller’s Mastiff Bat is Least Concern.

Taxonomic Classification

Rank	Harmless Serotine	Miller’s Mastiff Bat
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order same	Chiroptera (翼手目)	Chiroptera (翼手目)
Family	Vespertilionidae	Molossidae
Genus	Eptesicus	Molossus
Species	Eptesicus innoxius	Molossus pretiosus

Evolutionary Relationship

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

Conservation Status

Harmless Serotine

NT — Near Threatened

Miller’s Mastiff Bat

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Harmless Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Miller’s Mastiff Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.