Big Free-tailed Bat vs Eurasian beaver

Nyctinomops macrotis compared with Castor fiber

Key Differences

• Big Free-tailed Bat is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Big Free-tailed 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	Molossidae	Castoridae (Beavers)
Genus	Nyctinomops	Castor (Beavers)
Species	Nyctinomops macrotis	Castor fiber

Evolutionary Relationship

Big Free-tailed Bat and Eurasian beaver share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Big Free-tailed Bat

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Big Free-tailed Bat	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Free-tailed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

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.

Big Free-tailed Bat

The Big Free-tailed Bat (Nyctinomops macrotis) is a species in the genus Nyctinomops. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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.