Arctic Smudge vs Big Finner

Plutella haasi compared with Balaenoptera physalus

Key Differences

• Arctic Smudge is Near Threatened while Big Finner is Endangered.

Taxonomic Classification

Rank	Arctic Smudge	Big Finner
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Cetacea (Whales & Dolphins)
Family	Plutellidae	Balaenopteridae (Rorquals)
Genus	Plutella	Balaenoptera (Rorquals)
Species	Plutella haasi	Balaenoptera physalus

Evolutionary Relationship

Arctic Smudge and Big Finner share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic Smudge

NT — Near Threatened

Big Finner

EN — Endangered

Physical Characteristics

Attribute	Arctic Smudge	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic Smudge

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Norway and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Arctic Smudge

The Arctic Smudge (Plutella haasi) is a species in the genus Plutella. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

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.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden