Humpback Brittlegill vs Polynesian rat

Russula caerulea compared with Rattus exulans

Key Differences

Humpback Brittlegill is Near Threatened while Polynesian rat is Least Concern.

Taxonomic Classification

Rank	Humpback Brittlegill	Polynesian rat
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Russulales (Russulales)	Rodentia (Rodents)
Family	Russulaceae	Muridae (Mice & Rats)
Genus	Russula	Rattus
Species	Russula caerulea	Rattus exulans

Conservation Status

Humpback Brittlegill

NT — Near Threatened

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Humpback Brittlegill	Polynesian rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Humpback Brittlegill

Habitat

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

Range

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

Polynesian rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (6 countries), Europe (United Kingdom), North America (United States), Oceania and the Pacific (11 countries), and South America (Chile).