Lesser Noctule vs Williamson's Emerald

Nyctalus leisleri compared with Somatochlora williamsoni

Key Differences

• Lesser Noctule is Endangered while Williamson's Emerald is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	Williamson's Emerald
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Chiroptera (Bats)	Odonata (Odonata)
Family	Vespertilionidae	Corduliidae
Genus	Nyctalus	Somatochlora
Species	Nyctalus leisleri	Somatochlora williamsoni

Evolutionary Relationship

Lesser Noctule and Williamson's Emerald share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Lesser Noctule

EN — Endangered

Williamson's Emerald

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Williamson's Emerald
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 Emerald

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in United States.