ours blanc vs Yellow Soot Lichen

Ursus maritimus compared with Calicium lucidum

Key Differences

ours blanc is Vulnerable while Yellow Soot Lichen is Data Deficient.

Taxonomic Classification

Rank	ours blanc	Yellow Soot Lichen
Kingdom	Animalia (animal)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (mammifères)	Lecanoromycetes (Lecanoromycetes)
Order	Carnivora (carnivores)	Caliciales (Caliciales)
Family	Ursidae (Bears)	Caliciaceae
Genus	Ursus (Bears)	Calicium
Species	Ursus maritimus	Calicium lucidum

Conservation Status

ours blanc

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Yellow Soot Lichen

DD — Data Deficient

Physical Characteristics

Attribute	ours blanc	Yellow Soot Lichen
Diet	Carnivore	—
Average Lifespan	25 years	—
Average Length	2.4 m	—
Average Weight	450.0 kg	—

Habitat & Geographic Range

ours blanc

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.

Yellow Soot Lichen

Habitat

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

Range

Distributed across Norway, Sweden, and United States.

ours blanc

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.