Big Finner vs Broad-Bordered White Underwing

Balaenoptera physalus compared with Anarta melanopa

Key Differences

• Big Finner is Endangered while Broad-Bordered White Underwing is Least Concern.

Taxonomic Classification

Rank	Big Finner	Broad-Bordered White Underwing
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)	Noctuidae
Genus	Balaenoptera (Rorquals)	Anarta
Species	Balaenoptera physalus	Anarta melanopa

Evolutionary Relationship

Big Finner and Broad-Bordered White Underwing share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Big Finner

EN — Endangered

Broad-Bordered White Underwing

LC — Least Concern

Physical Characteristics

Attribute	Big Finner	Broad-Bordered White Underwing
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.

Broad-Bordered White Underwing

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Norway and Sweden.

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.

Broad-Bordered White Underwing

The Broad-Bordered White Underwing (Anarta melanopa) is a species in the genus Anarta. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden