Brook Floater vs European Free-tailed Bat

Alasmidonta varicosa compared with Tadarida teniotis

Key Differences

• Brook Floater is Vulnerable while European Free-tailed Bat is Least Concern.

Taxonomic Classification

Rank	Brook Floater	European Free-tailed Bat
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Mollusca (软体动物门)	Chordata (脊索动物门)
Class	Bivalvia (双壳纲)	Mammalia (哺乳動物)
Order	Unionida (蚌目)	Chiroptera (翼手目)
Family	Unionidae	Molossidae
Genus	Alasmidonta	Tadarida
Species	Alasmidonta varicosa	Tadarida teniotis

Evolutionary Relationship

Brook Floater and European Free-tailed Bat share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Brook Floater

VU — Vulnerable

European Free-tailed Bat

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	European Free-tailed Bat
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.

European Free-tailed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Portugal.

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.