Bitter Knight vs Gray-headed Flying Fox

Tricholoma acerbum compared with Pteropus poliocephalus

Key Differences

• Bitter Knight is Endangered while Gray-headed Flying Fox is Vulnerable.

Taxonomic Classification

Rank	Bitter Knight	Gray-headed Flying Fox
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Agaricales (Gilled Mushrooms)	Chiroptera (Bats)
Family	Tricholomataceae	Pteropodidae (Fruit Bats)
Genus	Tricholoma	Pteropus (Flying Foxes)
Species	Tricholoma acerbum	Pteropus poliocephalus

Conservation Status

Bitter Knight

EN — Endangered

Gray-headed Flying Fox

VU — Vulnerable

Physical Characteristics

Attribute	Bitter Knight	Gray-headed Flying Fox
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bitter Knight

Habitat

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

Range

Distributed across Belgium, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Gray-headed Flying Fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Bitter Knight

The Bitter Knight (Tricholoma acerbum) is a species in the genus Tricholoma. It is currently classified as Endangered on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.