grass rivulet vs Lesser Noctule

Perizoma albulata compared with Nyctalus leisleri

Key Differences

• grass rivulet is Least Concern while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	grass rivulet	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	Geometridae	Vespertilionidae
Genus	Perizoma	Nyctalus
Species	Perizoma albulata	Nyctalus leisleri

Evolutionary Relationship

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

Conservation Status

grass rivulet

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	grass rivulet	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

grass rivulet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden