Lesser Noctule vs treble brown spot

Nyctalus leisleri compared with Idaea trigeminata

Key Differences

• Lesser Noctule is Endangered while treble brown spot is Near Threatened.

Taxonomic Classification

Rank	Lesser Noctule	treble brown spot
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum	Chordata (حبليات)	Arthropoda (مفصليات الأرجل)
Class	Mammalia (ثدييات)	Insecta (حشرات)
Order	Chiroptera (خفاشيات)	Lepidoptera (حرشفيات الأجنحة)
Family	Vespertilionidae	Geometridae
Genus	Nyctalus	Idaea
Species	Nyctalus leisleri	Idaea trigeminata

Evolutionary Relationship

Lesser Noctule and treble brown spot share a common ancestor at the Kingdom level: Animalia. (حيوانات)

Conservation Status

Lesser Noctule

EN — Endangered

treble brown spot

NT — Near Threatened

Physical Characteristics

Attribute	Lesser Noctule	treble brown spot
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.

treble brown spot

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇸🇪 Sweden