Bitter Beech Bolete vs Japanese Weasel

Caloboletus calopus compared with Mustela itatsi

Key Differences

• Bitter Beech Bolete is Least Concern while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	Bitter Beech Bolete	Japanese Weasel
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Boletales (Boletales)	Carnivora (Carnivorans)
Family	Boletaceae	Mustelidae (Weasels & Otters)
Genus	Caloboletus	Mustela
Species	Caloboletus calopus	Mustela itatsi

Conservation Status

Bitter Beech Bolete

LC — Least Concern

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	Bitter Beech Bolete	Japanese Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bitter Beech Bolete

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, and United States.

Japanese Weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Japan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Bitter Beech Bolete

The Bitter Beech Bolete (Caloboletus calopus) is a species in the genus Caloboletus. It is currently classified as Least Concern on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.