Lesser Noctule vs Red-legged Sun Squirrel

Nyctalus leisleri compared with Heliosciurus rufobrachium

Key Differences

• Lesser Noctule is Endangered while Red-legged Sun Squirrel is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	Red-legged Sun Squirrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Chiroptera (Bats)	Rodentia (Rodents)
Family	Vespertilionidae	Sciuridae (Squirrels)
Genus	Nyctalus	Heliosciurus
Species	Nyctalus leisleri	Heliosciurus rufobrachium

Evolutionary Relationship

Lesser Noctule and Red-legged Sun Squirrel share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Lesser Noctule

EN — Endangered

Red-legged Sun Squirrel

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Red-legged Sun Squirrel
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.

Red-legged Sun Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.