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 (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Carnivora (สัตว์กินเนื้อ)	Rodentia (อันดับสัตว์ฟันแทะ)
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. (สัตว์เลี้ยงลูกด้วยน้ำนม)

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.