Monkey-puzzle vs Pacific Spiny-rat

Araucaria araucana compared with Proechimys decumanus

Key Differences

• Monkey-puzzle is Endangered while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Monkey-puzzle	Pacific Spiny-rat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Coniferophyta (Conifers)	Chordata (Chordates)
Class	Pinopsida (Conifers)	Mammalia (Mammals)
Order	Pinales (Pines & Allies)	Rodentia (Rodents)
Family	Araucariaceae	Echimyidae
Genus	Araucaria	Proechimys
Species	Araucaria araucana	Proechimys decumanus

Conservation Status

Monkey-puzzle

EN — Endangered

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Monkey-puzzle	Pacific Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Monkey-puzzle

Habitat

Found across multiple habitat types including temperate coniferous forests, flooded grasslands and savannas, and Mediterranean forests and woodlands, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Algeria, Libya), Asia (Taiwan), Europe (6 countries), and South America (Brazil, Colombia). Currently classified as Endangered 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.