Brindled Argent vs Lesser Noctule

Argyresthia curvella compared with Nyctalus leisleri

Key Differences

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

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Brindled Argent

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Brindled Argent	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brindled Argent

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (8 countries).

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.

Brindled Argent

The Brindled Argent (Argyresthia curvella) is a species in the genus Argyresthia. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden