Lesser Noctule vs Williamson's Mouse-deer

Nyctalus leisleri compared with Tragulus williamsoni

Key Differences

• Lesser Noctule is Endangered while Williamson's Mouse-deer is Data Deficient.

Taxonomic Classification

Rank	Lesser Noctule	Williamson's Mouse-deer
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Chiroptera (Bats)	Artiodactyla (Even-toed Ungulates)
Family	Vespertilionidae	Tragulidae
Genus	Nyctalus	Tragulus
Species	Nyctalus leisleri	Tragulus williamsoni

Evolutionary Relationship

Lesser Noctule and Williamson's Mouse-deer share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Lesser Noctule

EN — Endangered

Williamson's Mouse-deer

DD — Data Deficient

Physical Characteristics

Attribute	Lesser Noctule	Williamson's Mouse-deer
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.

Williamson's Mouse-deer

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.