Alpine Foam Lichen vs Oso Polar

Stereocaulon alpinum compared with Ursus maritimus

Key Differences

Alpine Foam Lichen is Data Deficient while Oso Polar is Vulnerable.

Taxonomic Classification

Rank	Alpine Foam 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	Stereocaulaceae	Ursidae (Bears)
Genus	Stereocaulon	Ursus (Bears)
Species	Stereocaulon alpinum	Ursus maritimus

Conservation Status

Alpine Foam Lichen

DD — Data Deficient

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Alpine Foam Lichen

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, 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.

Alpine Foam Lichen

The Alpine Foam Lichen (Stereocaulon alpinum) is a species in the genus Stereocaulon. 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. Distributed across Denmark, Norway, Sweden, and United States.

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.