Brown Rat vs Spruce Tooth

Rattus norvegicus compared with Phellodon violascens

Key Differences

• Brown Rat is Least Concern while Spruce Tooth is Endangered.

Taxonomic Classification

Rank	Brown Rat	Spruce Tooth
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (cordados)	Basidiomycota (Club Fungi)
Class	Mammalia (mamíferos)	Agaricomycetes (Mushrooms)
Order	Rodentia (Roedores)	Thelephorales (Thelephorales)
Family	Muridae (Mice & Rats)	Thelephoraceae
Genus	Rattus	Phellodon
Species	Rattus norvegicus	Phellodon violascens

Conservation Status

Brown Rat

LC — Least Concern

Spruce Tooth

EN — Endangered

Physical Characteristics

Attribute	Brown Rat	Spruce Tooth
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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).

Spruce Tooth

Habitat

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

Range

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

Brown Rat

O rato-pardo (Rattus norvegicus) está classificado como Pouco Preocupante (LC) na Lista Vermelha da IUCN. Amplamente distribuído e abundante em sua área de ocorrência, com populações estáveis e sem preocupações de conservação imediatas.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇺🇸 United States