Foca de Casco vs North American porcupine

Cystophora cristata compared with Erethizon dorsatus

Key Differences

• Foca de Casco is Endangered while North American porcupine is Least Concern.

Taxonomic Classification

Rank	Foca de Casco	North American porcupine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order	Pinnipedia (Seals & Sea Lions)	Rodentia (Rodents)
Family	Phocidae (True Seals)	Erethizontidae
Genus	Cystophora	Erethizon
Species	Cystophora cristata	Erethizon dorsatus

Evolutionary Relationship

Foca de Casco and North American porcupine share a common ancestor at the Class level: Mammalia. (mamíferos)

Conservation Status

Foca de Casco

EN — Endangered

North American porcupine

LC — Least Concern

Physical Characteristics

Attribute	Foca de Casco	North American porcupine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Foca de Casco

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Denmark, Norway, and Portugal. Currently classified as Endangered 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.