Eurasian beaver vs Greedy Olalla Rat

Castor fiber compared with Olallamys edax

Key Differences

• Eurasian beaver is Vulnerable while Greedy Olalla Rat is Data Deficient.

Taxonomic Classification

Rank	Eurasian beaver	Greedy Olalla Rat
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order same	Rodentia (อันดับสัตว์ฟันแทะ)	Rodentia (อันดับสัตว์ฟันแทะ)
Family	Castoridae (Beavers)	Echimyidae
Genus	Castor (Beavers)	Olallamys
Species	Castor fiber	Olallamys edax

Evolutionary Relationship

Eurasian beaver and Greedy Olalla Rat share a common ancestor at the Order level: Rodentia. (อันดับสัตว์ฟันแทะ)

Conservation Status

Eurasian beaver

VU — Vulnerable

Greedy Olalla Rat

DD — Data Deficient

Physical Characteristics

Attribute	Eurasian beaver	Greedy Olalla Rat
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.

Greedy Olalla Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in 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.