Bitter Tooth vs Canadian Otter

Hydnellum scabrosum compared with Lontra canadensis

Key Differences

• Bitter Tooth is Near Threatened while Canadian Otter is Least Concern.

Taxonomic Classification

Rank	Bitter Tooth	Canadian Otter
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Thelephorales (Thelephorales)	Carnivora (Carnivorans)
Family	Bankeraceae	Mustelidae (Weasels & Otters)
Genus	Hydnellum	Lontra
Species	Hydnellum scabrosum	Lontra canadensis

Conservation Status

Bitter Tooth

NT — Near Threatened

Canadian Otter

LC — Least Concern

Physical Characteristics

Attribute	Bitter Tooth	Canadian Otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bitter Tooth

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Canadian Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.

Bitter Tooth

The Bitter Tooth (Hydnellum scabrosum) is a species in the genus Hydnellum. It is currently classified as Near Threatened on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.

Canadian Otter

The Canadian Otter (Lontra canadensis) is a species in the genus Lontra. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.