Big Finner vs Spring Polypore

Balaenoptera physalus compared with Lentinus arcularius

Key Differences

• Big Finner is Endangered while Spring Polypore is Not Evaluated.

Taxonomic Classification

Rank	Big Finner	Spring Polypore
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Cetacea (Whales & Dolphins)	Polyporales (Polyporales)
Family	Balaenopteridae (Rorquals)	Polyporaceae
Genus	Balaenoptera (Rorquals)	Lentinus
Species	Balaenoptera physalus	Lentinus arcularius

Conservation Status

Big Finner

EN — Endangered

Spring Polypore

NE — Not Evaluated

Physical Characteristics

Attribute	Big Finner	Spring Polypore
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.

Spring Polypore

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Norway, Sweden, and 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.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden