Balkan Fritillary vs Big Finner

Boloria graeca compared with Balaenoptera physalus

Key Differences

• Balkan Fritillary is Near Threatened while Big Finner is Endangered.

Taxonomic Classification

Rank	Balkan Fritillary	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	Nymphalidae (Brush-footed Butterflies)	Balaenopteridae (Rorquals)
Genus	Boloria	Balaenoptera (Rorquals)
Species	Boloria graeca	Balaenoptera physalus

Evolutionary Relationship

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

Conservation Status

Balkan Fritillary

NT — Near Threatened

Big Finner

EN — Endangered

Physical Characteristics

Attribute	Balkan Fritillary	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Balkan Fritillary

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (9 countries). 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.

Balkan Fritillary

The Balkan Fritillary (Boloria graeca) is a species in the genus Boloria. 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.