Polar bear vs

Ursus maritimus compared with Pyrenula nitida

Key Differences

Polar bear is Vulnerable while is Endangered.

Taxonomic Classification

Rank	Polar bear
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (cordados)	Ascomycota (Sac Fungi)
Class	Mammalia (mamíferos)	Eurotiomycetes (Eurotiomycetes)
Order	Carnivora (carnívoros)	Pyrenulales (Pyrenulales)
Family	Ursidae (Bears)	Pyrenulaceae
Genus	Ursus (Bears)	Pyrenula
Species	Ursus maritimus	Pyrenula nitida

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

EN — Endangered

Physical Characteristics

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

Habitat & Geographic 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.

Habitat

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

Range

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

Polar bear

O maior carnivoro terrestre da Terra, o urso-polar pode ultrapassar 700 kg e e encontrado pelo gelo marinho artico, do Canada ate a Russia. Mamiferos marinhos altamente especializados que dependem do gelo marinho para cacas de focas e focas-barbadas. Excelentes nadadores capazes de percorrer grandes distancias em aguas abertas. Classificado como Vulneravel, com populacoes sob severa pressao devido a rapida perda de gelo marinho artico causada pelas mudancas climaticas.

Pyrenula nitida e um liquen crustoso corticola que produz um talo liso e brilhante de cor verde-oliva a marrom, com perithecias em forma de frasco embutidas na casca lisa de arvores antigas de folha larga em florestas atlanticas umidas. E considerada uma especie indicadora emblematica de florestas antigas com longa continuidade no oeste europeu. Em perigo, este liquen esta gravemente ameacado pela perda de arvores veteranas e habitats de florestas antigas.