Delicate Pygmy Rice Rat vs Pacific Spiny-rat

Oligoryzomys delicatus compared with Proechimys decumanus

Key Differences

• Delicate Pygmy Rice Rat is Data Deficient while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Delicate Pygmy Rice Rat	Pacific Spiny-rat
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Mammalia (Säugetiere)	Mammalia (Säugetiere)
Order same	Rodentia (Nagetiere)	Rodentia (Nagetiere)
Family	Cricetidae	Echimyidae
Genus	Oligoryzomys	Proechimys
Species	Oligoryzomys delicatus	Proechimys decumanus

Evolutionary Relationship

Delicate Pygmy Rice Rat and Pacific Spiny-rat share a common ancestor at the Order level: Rodentia. (Nagetiere)

Conservation Status

Delicate Pygmy Rice Rat

DD — Data Deficient

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Delicate Pygmy Rice Rat	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Delicate Pygmy Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

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