Big Finner vs Common Ringlet

Balaenoptera physalus compared with Coenonympha tullia

Key Differences

• Big Finner is Endangered while Common Ringlet is Extinct.

Taxonomic Classification

Rank	Big Finner	Common Ringlet
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)	Nymphalidae (Brush-footed Butterflies)
Genus	Balaenoptera (Rorquals)	Coenonympha
Species	Balaenoptera physalus	Coenonympha tullia

Evolutionary Relationship

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

Conservation Status

Big Finner

EN — Endangered

Common Ringlet

EX — Extinct

Physical Characteristics

Attribute	Big Finner	Common Ringlet
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.

Common Ringlet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (27 countries) and North America (Canada, 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.

Common Ringlet

Common Ringlet (Coenonympha tullia) is classified as Extinct (EX) on the IUCN Red List. This species has been declared extinct, with no known living individuals remaining in the wild or in captivity.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden