Douroucouli a bras gris vs Guaira Spiny-rat

Aotus griseimembra compared with Proechimys guairae

Key Differences

• Douroucouli a bras gris is Vulnerable while Guaira Spiny-rat is Least Concern.

Taxonomic Classification

Rank	Douroucouli a bras gris	Guaira Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Rodentia (Rodents)
Family	Aotidae	Echimyidae
Genus	Aotus	Proechimys
Species	Aotus griseimembra	Proechimys guairae

Evolutionary Relationship

Douroucouli a bras gris and Guaira Spiny-rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Douroucouli a bras gris

VU — Vulnerable

Guaira Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Douroucouli a bras gris	Guaira Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Douroucouli a bras gris

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia. 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.

Shared Countries

Both species can be found in 1 countries:

🇨🇴 Colombia