Pacific Spiny-rat vs Steppe Field Mouse

Proechimys decumanus compared with Apodemus witherbyi

Key Differences

• Pacific Spiny-rat is Near Threatened while Steppe Field Mouse is Least Concern.

Taxonomic Classification

Rank	Pacific Spiny-rat	Steppe Field Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Rodentia (Rodents)	Rodentia (Rodents)
Family	Echimyidae	Muridae (Mice & Rats)
Genus	Proechimys	Apodemus
Species	Proechimys decumanus	Apodemus witherbyi

Evolutionary Relationship

Pacific Spiny-rat and Steppe Field Mouse share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Pacific Spiny-rat

NT — Near Threatened

Steppe Field Mouse

LC — Least Concern

Physical Characteristics

Attribute	Pacific Spiny-rat	Steppe Field Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Steppe Field Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.