Bordered Scale Lichen vs Oso Polar

Psora pseudorussellii compared with Ursus maritimus

Key Differences

Bordered Scale Lichen is Not Evaluated while Oso Polar is Vulnerable.

Taxonomic Classification

Rank	Bordered Scale Lichen	Oso Polar
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (cordados)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (mamíferos)
Order	Lecanorales (Lecanorales)	Carnivora (carnívoros)
Family	Psoraceae	Ursidae (Bears)
Genus	Psora	Ursus (Bears)
Species	Psora pseudorussellii	Ursus maritimus

Conservation Status

Bordered Scale Lichen

NE — Not Evaluated

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Bordered Scale Lichen	Oso Polar
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Bordered Scale Lichen

Habitat

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

Range

Distributed across Norway and United States.

Oso Polar

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.

Bordered Scale Lichen

The Bordered Scale Lichen (Psora pseudorussellii) is a species in the genus Psora. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Oso Polar

El mayor carnivoro terrestre de la Tierra, el oso polar puede superar los 700 kg y se encuentra en el hielo marino del Artico, desde Canada hasta Rusia. Es un mamifero marino altamente especializado que depende del hielo marino para cazar focas anilladas y barbadas. Excelente nadador capaz de cubrir grandes distancias en agua abierta. Clasificado como Vulnerable, sus poblaciones soportan una presion severa por la rapida perdida de hielo marino artico debida al cambio climatico.