Lesser Noctule vs Little Gray Firefly

Nyctalus leisleri compared with Photinus marginellus

Key Differences

• Lesser Noctule is Endangered while Little Gray Firefly is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	Little Gray Firefly
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Chiroptera (Bats)	Coleoptera (Beetles)
Family	Vespertilionidae	Lampyridae
Genus	Nyctalus	Photinus
Species	Nyctalus leisleri	Photinus marginellus

Evolutionary Relationship

Lesser Noctule and Little Gray Firefly share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Lesser Noctule

EN — Endangered

Little Gray Firefly

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Little Gray Firefly
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.

Little Gray Firefly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in Canada.