Lesser Noctule vs

Nyctalus leisleri compared with Nitzschia flexa

Key Differences

• Lesser Noctule is Endangered while is Not Evaluated.

Taxonomic Classification

Rank	Lesser Noctule
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Chordata (Chordates)	Ochrophyta (Ochrophyta)
Class	Mammalia (Mammals)	Bacillariophyceae (Bacillariophyceae)
Order	Chiroptera (Bats)	Bacillariales (Bacillariales)
Family	Vespertilionidae	Bacillariaceae
Genus	Nyctalus	Nitzschia
Species	Nyctalus leisleri	Nitzschia flexa

Conservation Status

Lesser Noctule

EN — Endangered

NE — Not Evaluated

Physical Characteristics

Attribute	Lesser Noctule
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.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

Nitzschia flexa is a pennate diatom (class Bacillariophyceae) with a characteristically curved or bent raphe system that gives the genus its distinctive appearance. It inhabits freshwater to brackish environments and contributes to benthic and planktonic algal communities. As a photosynthetic microalga, it plays a foundational role in aquatic food webs and primary production.

Shared Countries

Both species can be found in 1 countries:

🇸🇪 Sweden