Eurasian beaver vs Polynesian rat

Castor fiber compared with Rattus exulans

Key Differences

• Eurasian beaver is Vulnerable while Polynesian rat is Least Concern.

Taxonomic Classification

Rank	Eurasian beaver	Polynesian rat
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class same	Mammalia (포유류)	Mammalia (포유류)
Order same	Rodentia (설치류)	Rodentia (설치류)
Family	Castoridae (Beavers)	Muridae (Mice & Rats)
Genus	Castor (Beavers)	Rattus
Species	Castor fiber	Rattus exulans

Evolutionary Relationship

Eurasian beaver and Polynesian rat share a common ancestor at the Order level: Rodentia. (설치류)

Conservation Status

Eurasian beaver

VU — Vulnerable

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Eurasian beaver	Polynesian 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.

Polynesian rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (6 countries), Europe (United Kingdom), North America (United States), Oceania and the Pacific (11 countries), and South America (Chile).

Eurasian beaver

유라시아비버(Castor fiber)는 IUCN 적색 목록에서 취약(VU)으로 분류됩니다. 개체군이 감소하고 서식지 압박이 증가하며 야생에서 멸종 위기에 처할 높은 위험에 직면해 있습니다.