Eurasian beaver vs greater mouse-eared bat

Castor fiber compared with Myotis myotis

Key Differences

Eurasian beaver is Vulnerable while greater mouse-eared bat is Critically Endangered.

Taxonomic Classification

Rank	Eurasian beaver	greater mouse-eared bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Chiroptera (Bats)
Family	Castoridae (Beavers)	Vespertilionidae
Genus	Castor (Beavers)	Myotis
Species	Castor fiber	Myotis myotis

Evolutionary Relationship

Eurasian beaver and greater mouse-eared bat share a common ancestor at the Class level: Mammalia. (Mammals)

View Class: Mammalia

Conservation Status

Eurasian beaver

VU — Vulnerable

greater mouse-eared bat

CR — Critically Endangered

Physical Characteristics

Attribute	Eurasian beaver	greater mouse-eared bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eurasian beaver

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.

greater mouse-eared bat

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

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

Eurasian beaver

Eurasian beaver (Castor fiber) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.