North American porcupine vs Pixie Foam

Erethizon dorsatus compared with Stereocaulon pileatum

Key Differences

• North American porcupine is Least Concern while Pixie Foam is Critically Endangered.

Taxonomic Classification

Rank	North American porcupine	Pixie Foam
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Lecanoromycetes (Lecanoromycetes)
Order	Rodentia (Rodents)	Lecanorales (Lecanorales)
Family	Erethizontidae	Stereocaulaceae
Genus	Erethizon	Stereocaulon
Species	Erethizon dorsatus	Stereocaulon pileatum

Conservation Status

North American porcupine

LC — Least Concern

Pixie Foam

CR — Critically Endangered

Physical Characteristics

Attribute	North American porcupine	Pixie Foam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

North American porcupine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.

Pixie Foam

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States