Napo Spiny-rat vs Olive Pearl

Proechimys quadruplicatus compared with Udea olivalis

Key Differences

• Napo Spiny-rat is Least Concern while Olive Pearl is Near Threatened.

Taxonomic Classification

Rank	Napo Spiny-rat	Olive Pearl
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Echimyidae	Crambidae
Genus	Proechimys	Udea
Species	Proechimys quadruplicatus	Udea olivalis

Evolutionary Relationship

Napo Spiny-rat and Olive Pearl share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Napo Spiny-rat

LC — Least Concern

Olive Pearl

NT — Near Threatened

Physical Characteristics

Attribute	Napo Spiny-rat	Olive Pearl
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Olive Pearl

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.