Ecuadorian Cotton Rat vs Guaira Spiny-rat

Sigmodon inopinatus compared with Proechimys guairae

Key Differences

• Ecuadorian Cotton Rat is Vulnerable while Guaira Spiny-rat is Least Concern.

Taxonomic Classification

Rank	Ecuadorian Cotton Rat	Guaira Spiny-rat
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mamalia)	Mammalia (mamalia)
Order same	Rodentia (hewan pengerat)	Rodentia (hewan pengerat)
Family	Cricetidae	Echimyidae
Genus	Sigmodon	Proechimys
Species	Sigmodon inopinatus	Proechimys guairae

Evolutionary Relationship

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

Conservation Status

Ecuadorian Cotton Rat

VU — Vulnerable

Guaira Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Ecuadorian Cotton Rat	Guaira 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.

Guaira Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.