Fat Guam Partula vs Lesser Pencil-tailed Tree Mouse

Partula gibba compared with Chiropodomys pusillus

Key Differences

• Fat Guam Partula is Critically Endangered while Lesser Pencil-tailed Tree Mouse is Data Deficient.

Taxonomic Classification

Rank	Fat Guam Partula	Lesser Pencil-tailed Tree Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Mammalia (Mammals)
Order	Stylommatophora (Stylommatophora)	Rodentia (Rodents)
Family	Partulidae	Muridae (Mice & Rats)
Genus	Partula	Chiropodomys
Species	Partula gibba	Chiropodomys pusillus

Evolutionary Relationship

Fat Guam Partula and Lesser Pencil-tailed Tree Mouse share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Fat Guam Partula

CR — Critically Endangered

Lesser Pencil-tailed Tree Mouse

DD — Data Deficient

Physical Characteristics

Attribute	Fat Guam Partula	Lesser Pencil-tailed Tree Mouse
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.

Lesser Pencil-tailed Tree Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.