Pacific Spiny-rat vs Richardson’s Willow

Proechimys decumanus compared with Salix richardsonii

Key Differences

• Pacific Spiny-rat is Near Threatened while Richardson’s Willow is Least Concern.

Taxonomic Classification

Rank	Pacific Spiny-rat	Richardson’s Willow
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Rodentia (Rodents)	Malpighiales (Malpighiales)
Family	Echimyidae	Salicaceae
Genus	Proechimys	Salix
Species	Proechimys decumanus	Salix richardsonii

Conservation Status

Pacific Spiny-rat

NT — Near Threatened

Richardson’s Willow

LC — Least Concern

Physical Characteristics

Attribute	Pacific Spiny-rat	Richardson’s Willow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic 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.

Richardson’s Willow

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Canada and Norway.