Eurasian beaver vs Polynesian Tree Snail

Castor fiber compared with Samoana attenuata

Key Differences

• Eurasian beaver is Vulnerable while Polynesian Tree Snail is Critically Endangered.

Taxonomic Classification

Rank	Eurasian beaver	Polynesian Tree Snail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Rodentia (Rodents)	Stylommatophora (Stylommatophora)
Family	Castoridae (Beavers)	Partulidae
Genus	Castor (Beavers)	Samoana
Species	Castor fiber	Samoana attenuata

Evolutionary Relationship

Eurasian beaver and Polynesian Tree Snail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Eurasian beaver

VU — Vulnerable

Polynesian Tree Snail

CR — Critically Endangered

Physical Characteristics

Attribute	Eurasian beaver	Polynesian Tree Snail
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 Tree Snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

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.