Adder’S-Mouth vs Lesser Noctule

Malaxis bayardii compared with Nyctalus leisleri

Key Differences

• Adder’S-Mouth is Critically Endangered while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Adder’S-Mouth	Lesser Noctule
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Mammalia (Mammals)
Order	Asparagales (Asparagales)	Chiroptera (Bats)
Family	Orchidaceae	Vespertilionidae
Genus	Malaxis	Nyctalus
Species	Malaxis bayardii	Nyctalus leisleri

Conservation Status

Adder’S-Mouth

CR — Critically Endangered

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Adder’S-Mouth	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Adder’S-Mouth

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Canada and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.

Adder’S-Mouth

The Adder’S-Mouth (Malaxis bayardii) is a species in the genus Malaxis. It is currently classified as Critically Endangered on the IUCN Red List. This species inhabits Typically found in grasslands, wetlands, forests, and cultivated landscapes, found across Canada and United States.