Amphibian Map Lichen vs Polar bear

Rhizocarpon lavatum compared with Ursus maritimus

Key Differences

Amphibian Map Lichen is Data Deficient while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Amphibian Map Lichen	Polar bear
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (Mammals)
Order	Rhizocarpales (Rhizocarpales)	Carnivora (Carnivorans)
Family	Rhizocarpaceae	Ursidae (Bears)
Genus	Rhizocarpon	Ursus (Bears)
Species	Rhizocarpon lavatum	Ursus maritimus

Conservation Status

Amphibian Map Lichen

DD — Data Deficient

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Amphibian Map Lichen

Habitat

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

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States.

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.

Amphibian Map Lichen

The Amphibian Map Lichen (Rhizocarpon lavatum) is a species in the genus Rhizocarpon. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

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.