Eurasian beaver vs Lesser Sac-winged Bat

Castor fiber compared with Saccopteryx leptura

Key Differences

• Eurasian beaver is Vulnerable while Lesser Sac-winged Bat is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Lesser Sac-winged 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)	Emballonuridae
Genus	Castor (Beavers)	Saccopteryx
Species	Castor fiber	Saccopteryx leptura

Evolutionary Relationship

Eurasian beaver and Lesser Sac-winged Bat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Lesser Sac-winged Bat

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Lesser Sac-winged 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.

Lesser Sac-winged Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

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.