vs Polar bear

Lecanographa lyncea compared with Ursus maritimus

Key Differences

is Critically Endangered while Polar bear is Vulnerable.

Taxonomic Classification

Rank		Polar bear
Kingdom	Fungi (真菌界)	Animalia (动物界)
Phylum	Ascomycota (子囊菌门)	Chordata (脊索动物门)
Class	Arthoniomycetes (星裂菌纲)	Mammalia (哺乳動物)
Order	Arthoniales (星裂菌目)	Carnivora (食肉目)
Family	Lecanographaceae	Ursidae (Bears)
Genus	Lecanographa	Ursus (Bears)
Species	Lecanographa lyncea	Ursus maritimus

Conservation Status

CR — Critically Endangered

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

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 9 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

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

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.

Lecanographa lyncea是一种稀有的固壳地衣，生长在原始林中古老大树的树皮上。形成细长的线形子囊盘，被认为是欧洲未受干扰的长期延续性森林生态系统中最敏感的指示物种之一。被列为极危（CR），受到栖息地丧失、老龄树木衰退和空气污染的严重威胁。