Lesser Noctule vs Richardson’s Willow

Nyctalus leisleri compared with Salix richardsonii

Key Differences

• Lesser Noctule is Endangered while Richardson’s Willow is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	Richardson’s Willow
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Chiroptera (Bats)	Malpighiales (Malpighiales)
Family	Vespertilionidae	Salicaceae
Genus	Nyctalus	Salix
Species	Nyctalus leisleri	Salix richardsonii

Conservation Status

Lesser Noctule

EN — Endangered

Richardson’s Willow

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Richardson’s Willow
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.

Richardson’s Willow

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Canada and Norway.