vs Ontong Java Flying Fox

Hydnellum compactum compared with Pteropus howensis

Key Differences

• is Vulnerable while Ontong Java Flying Fox is Critically Endangered.

Taxonomic Classification

Rank		Ontong Java Flying Fox
Kingdom	Fungi (فطر)	Animalia (حيوانات)
Phylum	Basidiomycota (دعاميات)	Chordata (حبليات)
Class	Agaricomycetes (غاريقونانية)	Mammalia (ثدييات)
Order	Thelephorales (Thelephorales)	Chiroptera (خفاشيات)
Family	Bankeraceae	Pteropodidae (Fruit Bats)
Genus	Hydnellum	Pteropus (Flying Foxes)
Species	Hydnellum compactum	Pteropus howensis

Conservation Status

VU — Vulnerable

Ontong Java Flying Fox

CR — Critically Endangered

Physical Characteristics

Attribute		Ontong Java Flying Fox
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

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

Range

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

Ontong Java Flying Fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Hydnellum compactum is a stipitate, tooth fungus with a compact, brownish-orange to rusty-brown cap surface covered in spines on the underside. It grows on the forest floor in coniferous forests across Europe and parts of North America, forming ectomycorrhizal associations with trees. This fungus obtains nutrients by forming mutualistic partnerships with the roots of pine, spruce, and fir trees.