Ecuadorian Cotton Rat vs Pacific Spiny-rat

Sigmodon inopinatus compared with Proechimys decumanus

Key Differences

• Ecuadorian Cotton Rat is Vulnerable while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Ecuadorian Cotton Rat	Pacific Spiny-rat
Kingdom same	Animalia (hayvan)	Animalia (hayvan)
Phylum same	Chordata (Kordalılar)	Chordata (Kordalılar)
Class same	Mammalia (memeliler)	Mammalia (memeliler)
Order same	Rodentia (kemiriciler)	Rodentia (kemiriciler)
Family	Cricetidae	Echimyidae
Genus	Sigmodon	Proechimys
Species	Sigmodon inopinatus	Proechimys decumanus

Evolutionary Relationship

Ecuadorian Cotton Rat and Pacific Spiny-rat share a common ancestor at the Order level: Rodentia. (kemiriciler)

Conservation Status

Ecuadorian Cotton Rat

VU — Vulnerable

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Ecuadorian Cotton Rat	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ecuadorian Cotton Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its 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.

Shared Countries

Both species can be found in 1 countries:

🇪🇨 Ecuador