Black Myotis vs Eurasian beaver

Myotis nigricans compared with Castor fiber

Key Differences

• Black Myotis is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Black Myotis	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	Vespertilionidae	Castoridae (Beavers)
Genus	Myotis	Castor (Beavers)
Species	Myotis nigricans	Castor fiber

Evolutionary Relationship

Black Myotis and Eurasian beaver share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Black Myotis

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Black Myotis	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Myotis

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.

Black Myotis

The Black Myotis (Myotis nigricans) is a species in the genus Myotis. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems. Its geographic range spans 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.