Japanese Weasel vs North American porcupine

Mustela itatsi compared with Erethizon dorsatus

Key Differences

• Japanese Weasel is Near Threatened while North American porcupine is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	North American porcupine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order	Carnivora (carnívoros)	Rodentia (Roedores)
Family	Mustelidae (Weasels & Otters)	Erethizontidae
Genus	Mustela	Erethizon
Species	Mustela itatsi	Erethizon dorsatus

Evolutionary Relationship

Japanese Weasel and North American porcupine share a common ancestor at the Class level: Mammalia. (mamíferos)

Conservation Status

Japanese Weasel

NT — Near Threatened

North American porcupine

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	North American porcupine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

North American porcupine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.