Allen's Big-eared Bat vs Eurasian beaver

Idionycteris phyllotis compared with Castor fiber

Key Differences

• Allen's Big-eared Bat is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Allen's Big-eared Bat	Eurasian beaver
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Chiroptera (ค้างคาว)	Rodentia (อันดับสัตว์ฟันแทะ)
Family	Vespertilionidae	Castoridae (Beavers)
Genus	Idionycteris	Castor (Beavers)
Species	Idionycteris phyllotis	Castor fiber

Evolutionary Relationship

Allen's Big-eared Bat and Eurasian beaver share a common ancestor at the Class level: Mammalia. (สัตว์เลี้ยงลูกด้วยน้ำนม)

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Allen's Big-eared Bat	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Allen's Big-eared Bat

The Allen's Big-eared Bat (Idionycteris phyllotis) is a species in the genus Idionycteris. 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.