Lesser Noctule vs Septicweed

Nyctalus leisleri compared with Senna occidentalis

Key Differences

• Lesser Noctule is Endangered while Septicweed is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	Septicweed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Chiroptera (Bats)	Fabales (Legumes & Allies)
Family	Vespertilionidae	Fabaceae
Genus	Nyctalus	Senna
Species	Nyctalus leisleri	Senna occidentalis

Conservation Status

Lesser Noctule

EN — Endangered

Septicweed

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Septicweed
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.

Septicweed

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and deserts and xeric shrublands, among 4 distinct biome types spanning the Afrotropic and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (40 countries), Asia (19 countries), Europe (8 countries), North America (7 countries), Oceania and the Pacific (13 countries), and South America (Brazil, Colombia, Guyana).

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden