Arctic Skipper vs Big Finner

Carterocephalus palaemon compared with Balaenoptera physalus

Key Differences

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

Taxonomic Classification

Rank	Arctic Skipper	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	Hesperiidae	Balaenopteridae (Rorquals)
Genus	Carterocephalus	Balaenoptera (Rorquals)
Species	Carterocephalus palaemon	Balaenoptera physalus

Evolutionary Relationship

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

Conservation Status

Arctic Skipper

NT — Near Threatened

Big Finner

EN — Endangered

Physical Characteristics

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

Habitat & Geographic Range

Arctic Skipper

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (36 countries) and North America (Canada, United States). 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 Skipper

Arctic Skipper (Carterocephalus palaemon) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

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 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden