Cactus Lichen vs Polar bear

Agonimia opuntiella compared with Ursus maritimus

Key Differences

Cactus Lichen is Not Evaluated while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Cactus Lichen	Polar bear
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (cordados)
Class	Eurotiomycetes (Eurotiomycetes)	Mammalia (mamíferos)
Order	Verrucariales (Verrucariales)	Carnivora (carnívoros)
Family	Verrucariaceae	Ursidae (Bears)
Genus	Agonimia	Ursus (Bears)
Species	Agonimia opuntiella	Ursus maritimus

Conservation Status

Cactus Lichen

NE — Not Evaluated

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Cactus Lichen

Habitat

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

Range

Distributed across Norway, Portugal, 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.

Cactus Lichen

The Cactus Lichen (Agonimia opuntiella) is a species in the genus Agonimia. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

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.