Fat Guam Partula vs Narrow-headed Vole

Partula gibba compared with Microtus gregalis

Key Differences

• Fat Guam Partula is Critically Endangered while Narrow-headed Vole is Least Concern.

Taxonomic Classification

Rank	Fat Guam Partula	Narrow-headed Vole
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Stylommatophora (Stylommatophora)	Rodentia (Rodents)
Family	Partulidae	Cricetidae
Genus	Partula	Microtus
Species	Partula gibba	Microtus gregalis

Evolutionary Relationship

Fat Guam Partula and Narrow-headed Vole share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Fat Guam Partula

CR — Critically Endangered

Narrow-headed Vole

LC — Least Concern

Physical Characteristics

Attribute	Fat Guam Partula	Narrow-headed Vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fat Guam Partula

Habitat

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

Range

Distributed across Norway and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Narrow-headed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.