Berkeley's Earthstar vs Polar bear

Geastrum berkeleyi compared with Ursus maritimus

Key Differences

Berkeley's Earthstar is Extinct while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Berkeley's Earthstar	Polar bear
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (cordados)
Class	Agaricomycetes (Mushrooms)	Mammalia (mamíferos)
Order	Geastrales (Geastrales)	Carnivora (carnívoros)
Family	Geastraceae	Ursidae (Bears)
Genus	Geastrum	Ursus (Bears)
Species	Geastrum berkeleyi	Ursus maritimus

Conservation Status

Berkeley's Earthstar

EX — Extinct

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Berkeley's Earthstar

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, Norway, and Sweden.

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.

Berkeley's Earthstar

The Berkeley's Earthstar (Geastrum berkeleyi) is a species in the genus Geastrum. It is currently classified as Extinct on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.

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.