Big Finner vs large blue

Balaenoptera physalus compared with Maculinea arion

Key Differences

• Big Finner is Endangered while large blue is Near Threatened.

Taxonomic Classification

Rank	Big Finner	large blue
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Cetacea (Whales & Dolphins)	Lepidoptera (Butterflies & Moths)
Family	Balaenopteridae (Rorquals)	Lycaenidae
Genus	Balaenoptera (Rorquals)	Maculinea
Species	Balaenoptera physalus	Maculinea arion

Evolutionary Relationship

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

Conservation Status

Big Finner

EN — Endangered

large blue

NT — Near Threatened

Physical Characteristics

Attribute	Big Finner	large blue
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.

large blue

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 1 countries:

🇸🇪 Sweden