brown argus vs Lesser Noctule

Aricia agestis compared with Nyctalus leisleri

Key Differences

• brown argus is Least Concern while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	brown argus	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	Lycaenidae	Vespertilionidae
Genus	Aricia	Nyctalus
Species	Aricia agestis	Nyctalus leisleri

Evolutionary Relationship

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

Conservation Status

brown argus

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	brown argus	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

brown argus

Habitat

Inhabits Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Found across Asia (Cyprus) and Europe (33 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.

brown argus

brown argus (Aricia agestis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇱🇺 Luxembourg 🇸🇪 Sweden 🇺🇦 Ukraine