Lesser Noctule vs Sallow Argent

Nyctalus leisleri compared with Argyresthia pygmaeella

Key Differences

• Lesser Noctule is Endangered while Sallow Argent is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	Sallow Argent
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Chiroptera (Bats)	Lepidoptera (Butterflies & Moths)
Family	Vespertilionidae	Argyresthiidae
Genus	Nyctalus	Argyresthia
Species	Nyctalus leisleri	Argyresthia pygmaeella

Evolutionary Relationship

Lesser Noctule and Sallow Argent share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Lesser Noctule

EN — Endangered

Sallow Argent

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Sallow Argent
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.

Sallow Argent

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Canada, Denmark, Norway, and Sweden.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden