Eurasian beaver vs Greater Sac-winged Bat

Castor fiber compared with Saccopteryx bilineata

Key Differences

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

Taxonomic Classification

Rank	Eurasian beaver	Greater Sac-winged Bat
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class same	Mammalia (млекопитающие)	Mammalia (млекопитающие)
Order	Rodentia (грызуны)	Chiroptera (рукокрылые)
Family	Castoridae (Beavers)	Emballonuridae
Genus	Castor (Beavers)	Saccopteryx
Species	Castor fiber	Saccopteryx bilineata

Evolutionary Relationship

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

Conservation Status

Eurasian beaver

VU — Vulnerable

Greater Sac-winged Bat

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Greater 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.

Greater 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.