Flat-skulled Shrew vs Pacific Spiny-rat

Sorex roboratus compared with Proechimys decumanus

Key Differences

• Flat-skulled Shrew is Least Concern while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Flat-skulled Shrew	Pacific Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Soricomorpha (Soricomorpha)	Rodentia (Rodents)
Family	Soricidae	Echimyidae
Genus	Sorex	Proechimys
Species	Sorex roboratus	Proechimys decumanus

Evolutionary Relationship

Flat-skulled Shrew and Pacific Spiny-rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Flat-skulled Shrew

LC — Least Concern

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Flat-skulled Shrew	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Flat-skulled Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.