Harmless Serotine vs Lesser Noctule

Eptesicus innoxius compared with Nyctalus leisleri

Key Differences

• Harmless Serotine is Near Threatened while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Harmless Serotine	Lesser Noctule
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 same	Vespertilionidae	Vespertilionidae
Genus	Eptesicus	Nyctalus
Species	Eptesicus innoxius	Nyctalus leisleri

Evolutionary Relationship

Harmless Serotine and Lesser Noctule share a common ancestor at the Family level: Vespertilionidae.

Conservation Status

Harmless Serotine

NT — Near Threatened

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Harmless Serotine	Lesser Noctule
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.

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.