Brook Floater vs Noctule

Alasmidonta varicosa compared with Nyctalus noctula

Taxonomic Classification

Rank	Brook Floater	Noctule
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Mollusca (軟体動物)	Chordata (脊索動物)
Class	Bivalvia (二枚貝)	Mammalia (哺乳類)
Order	Unionida (イシガイ目)	Chiroptera (翼手目)
Family	Unionidae	Vespertilionidae
Genus	Alasmidonta	Nyctalus
Species	Alasmidonta varicosa	Nyctalus noctula

Evolutionary Relationship

Brook Floater and Noctule share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Brook Floater

VU — Vulnerable

Noctule

VU — Vulnerable

Physical Characteristics

Attribute	Brook Floater	Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brook Floater

Habitat

Native to North America, inhabiting ecosystems characteristic of the region.

Range

Found in United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Brook Floater

The Brook Floater (Alasmidonta varicosa) is a species in the genus Alasmidonta. It is currently classified as Vulnerable on the IUCN Red List. Native to North America, inhabiting ecosystems characteristic of the region.

Noctule

Noctule(Nyctalus noctula、オオコウモリ)は、IUCNレッドリストで危急(VU)に分類されている。野生での絶滅危機が高く、個体群が減少し生息地への圧力が増大している。