Arctic Mouse-Ear vs Pacific Spiny-rat

Cerastium arcticum compared with Proechimys decumanus

Key Differences

• Arctic Mouse-Ear is Not Evaluated while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Arctic Mouse-Ear	Pacific Spiny-rat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Mammalia (Mammals)
Order	Caryophyllales (Caryophyllales)	Rodentia (Rodents)
Family	Caryophyllaceae	Echimyidae
Genus	Cerastium	Proechimys
Species	Cerastium arcticum	Proechimys decumanus

Conservation Status

Arctic Mouse-Ear

NE — Not Evaluated

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Arctic Mouse-Ear	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic Mouse-Ear

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Canada, Norway, and Sweden.

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Arctic Mouse-Ear

The Arctic Mouse-Ear (Cerastium arcticum) is a species in the genus Cerastium. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.