Lesser Noctule vs Lesser Red-knotgrass

Nyctalus leisleri compared with Polygonum arenarium

Key Differences

• Lesser Noctule is Endangered while Lesser Red-knotgrass is Not Evaluated.

Taxonomic Classification

Rank	Lesser Noctule	Lesser Red-knotgrass
Kingdom	Animalia (สัตว์)	Plantae (พืช)
Phylum	Chordata (สัตว์มีแกนสันหลัง)	Magnoliophyta (Flowering Plants)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Magnoliopsida (พืชใบเลี้ยงคู่)
Order	Chiroptera (ค้างคาว)	Caryophyllales (อันดับคาร์เนชัน)
Family	Vespertilionidae	Polygonaceae
Genus	Nyctalus	Polygonum
Species	Nyctalus leisleri	Polygonum arenarium

Conservation Status

Lesser Noctule

EN — Endangered

Lesser Red-knotgrass

NE — Not Evaluated

Physical Characteristics

Attribute	Lesser Noctule	Lesser Red-knotgrass
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.

Lesser Red-knotgrass

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found across Europe (11 countries) and North America (United States).

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden