Bitter Tooth vs Brown Rat

Hydnellum scabrosum compared with Rattus norvegicus

Key Differences

• Bitter Tooth is Near Threatened while Brown Rat is Least Concern.

Taxonomic Classification

Rank	Bitter Tooth	Brown Rat
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (cordados)
Class	Agaricomycetes (Mushrooms)	Mammalia (mamíferos)
Order	Thelephorales (Thelephorales)	Rodentia (Rodents)
Family	Bankeraceae	Muridae (Mice & Rats)
Genus	Hydnellum	Rattus
Species	Hydnellum scabrosum	Rattus norvegicus

Conservation Status

Bitter Tooth

NT — Near Threatened

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	Bitter Tooth	Brown Rat
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.

Brown Rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (11 countries), Asia (15 countries), Europe (41 countries), North America (16 countries), Oceania and the Pacific (10 countries), and South America (10 countries).

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.

Brown Rat

La rata parda (Rattus norvegicus) está clasificada como Preocupación Menor (LC) en la Lista Roja de la UICN. Ampliamente distribuida y abundante en su área de distribución, con poblaciones estables y sin preocupaciones de conservación inmediatas.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden