Eurasian beaver vs Pocketed Free-tailed Bat

Castor fiber compared with Nyctinomops femorosaccus

Key Differences

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

Taxonomic Classification

Rank	Eurasian beaver	Pocketed Free-tailed Bat
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Rodentia (อันดับสัตว์ฟันแทะ)	Chiroptera (ค้างคาว)
Family	Castoridae (Beavers)	Molossidae
Genus	Castor (Beavers)	Nyctinomops
Species	Castor fiber	Nyctinomops femorosaccus

Evolutionary Relationship

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

Conservation Status

Eurasian beaver

VU — Vulnerable

Pocketed Free-tailed Bat

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Pocketed Free-tailed 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.

Pocketed Free-tailed Bat

Habitat

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.