Mountain Plume vs North American porcupine

Stenoptilia islandicus compared with Erethizon dorsatus

Key Differences

• Mountain Plume is Vulnerable while North American porcupine is Least Concern.

Taxonomic Classification

Rank	Mountain Plume	North American porcupine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Rodentia (Rodents)
Family	Pterophoridae	Erethizontidae
Genus	Stenoptilia	Erethizon
Species	Stenoptilia islandicus	Erethizon dorsatus

Evolutionary Relationship

Mountain Plume and North American porcupine share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Mountain Plume

VU — Vulnerable

North American porcupine

LC — Least Concern

Physical Characteristics

Attribute	Mountain Plume	North American porcupine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Mountain Plume

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Finland, Iceland, Norway, Russia, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

North American porcupine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.