Birch Polypore vs Lesser Noctule

Fomitopsis betulina compared with Nyctalus leisleri

Key Differences

• Birch Polypore is Least Concern while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Birch Polypore	Lesser Noctule
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Polyporales (Polyporales)	Chiroptera (Bats)
Family	Fomitopsidaceae	Vespertilionidae
Genus	Fomitopsis	Nyctalus
Species	Fomitopsis betulina	Nyctalus leisleri

Conservation Status

Birch Polypore

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Birch Polypore	Lesser Noctule
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.

Lesser Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Luxembourg, Sweden, and Ukraine. Currently classified as 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.

Shared Countries

Both species can be found in 1 countries:

🇩🇰 Denmark