Brown Brain vs Polar bear

Tremella steidleri compared with Ursus maritimus

Key Differences

• Brown Brain is Not Evaluated while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Brown Brain	Polar bear
Kingdom	Fungi (Fungi)	Animalia (hewan)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Tremellomycetes (Tremellomycetes)	Mammalia (mamalia)
Order	Tremellales (Tremellales)	Carnivora (Carnivorans)
Family	Tremellaceae	Ursidae (Bears)
Genus	Tremella	Ursus (Bears)
Species	Tremella steidleri	Ursus maritimus

Conservation Status

Brown Brain

NE — Not Evaluated

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Brown Brain	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Brown Brain

Polar bear

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Brown Brain

The Brown Brain (Tremella steidleri) is a species in the genus Tremella. This species belongs to the genus Tremella and is documented in taxonomic and ecological literature. Further research continues into the distribution and ecology of Brown Brain.

Polar bear

The largest land carnivore on Earth, polar bears can exceed 700 kg and are found across Arctic sea ice from Canada to Russia. Highly specialized marine mammals that rely on sea ice to hunt ringed and bearded seals. Excellent swimmers capable of covering vast distances in open water. Listed as Vulnerable, with populations under severe pressure from rapid Arctic sea ice loss due to climate change.