Ecuadorian Sac-winged Bat vs Eurasian beaver

Balantiopteryx infusca compared with Castor fiber

Key Differences

• Ecuadorian Sac-winged Bat is Endangered while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Ecuadorian Sac-winged Bat	Eurasian beaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Chiroptera (Bats)	Rodentia (Rodents)
Family	Emballonuridae	Castoridae (Beavers)
Genus	Balantiopteryx	Castor (Beavers)
Species	Balantiopteryx infusca	Castor fiber

Evolutionary Relationship

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

Conservation Status

Ecuadorian Sac-winged Bat

EN — Endangered

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Ecuadorian Sac-winged Bat	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ecuadorian Sac-winged Bat

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Distributed across Colombia and Ecuador. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.

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.