Big Finner vs North American porcupine

Balaenoptera physalus compared with Erethizon dorsatus

Key Differences

• Big Finner is Endangered while North American porcupine is Least Concern.

Taxonomic Classification

Rank	Big Finner	North American porcupine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Cetacea (Whales & Dolphins)	Rodentia (Rodents)
Family	Balaenopteridae (Rorquals)	Erethizontidae
Genus	Balaenoptera (Rorquals)	Erethizon
Species	Balaenoptera physalus	Erethizon dorsatus

Evolutionary Relationship

Big Finner and North American porcupine share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Big Finner

EN — Endangered

North American porcupine

LC — Least Concern

Physical Characteristics

Attribute	Big Finner	North American porcupine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Finner

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela). 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.

Big Finner

Big Finner (Balaenoptera physalus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.