vs Polar bear

Cladonia borealis compared with Ursus maritimus

Key Differences

is Near Threatened while Polar bear is Vulnerable.

Taxonomic Classification

Rank		Polar bear
Kingdom	Fungi (mantar)	Animalia (hayvan)
Phylum	Ascomycota (Asklı mantarlar)	Chordata (Kordalılar)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (memeliler)
Order	Lecanorales (Lecanorales)	Carnivora (etçiller)
Family	Cladoniaceae	Ursidae (Bears)
Genus	Cladonia	Ursus (Bears)
Species	Cladonia borealis	Ursus maritimus

Conservation Status

NT — Near Threatened

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Habitat

Native to Europe and South America, inhabiting ecosystems characteristic of the region.

Range

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

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.

Cladonia borealis is a cup lichen in the family Cladoniaceae, assessed as Near Threatened (NT). It forms stalked, cup-shaped podetia and is found in boreal and subarctic habitats, including heathlands and open woodland. Its near-threatened status reflects sensitivity to habitat loss and climate change in northern ecosystems.

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.