Lesser Noctule vs Ochreous Argent

Nyctalus leisleri compared with Argyresthia praecocella

Key Differences

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

Taxonomic Classification

Rank	Lesser Noctule	Ochreous 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 praecocella

Evolutionary Relationship

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

Conservation Status

Lesser Noctule

EN — Endangered

Ochreous Argent

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Ochreous 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.

Ochreous Argent

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden