Central Andes Oldfield Mouse vs Eurasian beaver

Thomasomys contradictus compared with Castor fiber

Key Differences

• Central Andes Oldfield Mouse is Data Deficient while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	Central Andes Oldfield Mouse	Eurasian beaver
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order same	Rodentia (ネズミ目)	Rodentia (ネズミ目)
Family	Cricetidae	Castoridae (Beavers)
Genus	Thomasomys	Castor (Beavers)
Species	Thomasomys contradictus	Castor fiber

Evolutionary Relationship

Central Andes Oldfield Mouse and Eurasian beaver share a common ancestor at the Order level: Rodentia. (ネズミ目)

Conservation Status

Central Andes Oldfield Mouse

DD — Data Deficient

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	Central Andes Oldfield Mouse	Eurasian beaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Central Andes Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

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.

Central Andes Oldfield Mouse

The Central Andes Oldfield Mouse (Thomasomys contradictus) is a species in the genus Thomasomys. It is currently classified as Data Deficient on the IUCN Red List. Found in Colombia.

Eurasian beaver

ユーラシアビーバー（Castor fiber）はIUCNレッドリストで絶滅危惧II類（VU）に分類されています。個体群の減少と生息地への圧力の増大により、野生での絶滅危険度が高い状況に直面しています。