Birch Polypore vs European pine marten

Fomitopsis betulina compared with Martes martes

Key Differences

Birch Polypore is Least Concern while European pine marten is Critically Endangered.

Taxonomic Classification

Rank	Birch Polypore	European pine marten
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Polyporales (Polyporales)	Carnivora (Carnivorans)
Family	Fomitopsidaceae	Mustelidae (Weasels & Otters)
Genus	Fomitopsis	Martes
Species	Fomitopsis betulina	Martes martes

Conservation Status

Birch Polypore

LC — Least Concern

European pine marten

CR — Critically Endangered

Physical Characteristics

Attribute	Birch Polypore	European pine marten
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Birch Polypore

Habitat

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

Range

Distributed across Denmark and United States.

European pine marten

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (6 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

European pine marten

European pine marten (Martes martes) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.