Big Finner vs Birch Polypore

Balaenoptera physalus compared with Fomitopsis betulina

Key Differences

• Big Finner is Endangered while Birch Polypore is Least Concern.

Taxonomic Classification

Rank	Big Finner	Birch 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)	Fomitopsidaceae
Genus	Balaenoptera (Rorquals)	Fomitopsis
Species	Balaenoptera physalus	Fomitopsis betulina

Conservation Status

Big Finner

EN — Endangered

Birch Polypore

LC — Least Concern

Physical Characteristics

Attribute	Big Finner	Birch 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.

Birch Polypore

Habitat

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

Range

Distributed across Denmark 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.

Birch Polypore

The Birch Polypore (Fomitopsis betulina) is a species in the genus Fomitopsis. It is currently classified as Least Concern on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.

Shared Countries

Both species can be found in 1 countries:

🇩🇰 Denmark