Guaira Spiny-rat vs Japanese Weasel

Proechimys guairae compared with Mustela itatsi

Key Differences

• Guaira Spiny-rat is Least Concern while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	Guaira Spiny-rat	Japanese Weasel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Carnivora (Carnivorans)
Family	Echimyidae	Mustelidae (Weasels & Otters)
Genus	Proechimys	Mustela
Species	Proechimys guairae	Mustela itatsi

Evolutionary Relationship

Guaira Spiny-rat and Japanese Weasel share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Guaira Spiny-rat

LC — Least Concern

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	Guaira Spiny-rat	Japanese Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guaira Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Japanese Weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Japan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.