North American porcupine vs

Erethizon dorsatus compared with Nostoc sphaericum

Key Differences

• North American porcupine is Least Concern while is Not Evaluated.

Taxonomic Classification

Rank	North American porcupine
Kingdom	Animalia (Animals)	Bacteria (Bacteria)
Phylum	Chordata (Chordates)	Cyanobacteria (Cyanobacteria)
Class	Mammalia (Mammals)	Cyanobacteriia
Order	Rodentia (Rodents)	Cyanobacteriales
Family	Erethizontidae	Nostocaceae
Genus	Erethizon	Nostoc
Species	Erethizon dorsatus	Nostoc sphaericum

Conservation Status

North American porcupine

LC — Least Concern

NE — Not Evaluated

Physical Characteristics

Attribute	North American porcupine
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.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

Nostoc sphaericum is a colonial, nitrogen-fixing cyanobacterium in the family Nostocaceae, forming gelatinous spherical or irregular colonies visible to the naked eye. It inhabits moist soils, rocks, and freshwater environments, often forming conspicuous blobs after rainfall.