Black Witches' Butter vs Polar bear

Exidia glandulosa compared with Ursus maritimus

Key Differences

Black Witches' Butter is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Black Witches' Butter	Polar bear
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (cordados)
Class	Agaricomycetes (Mushrooms)	Mammalia (mamíferos)
Order	Auriculariales (Auriculariales)	Carnivora (carnívoros)
Family	Auriculariaceae	Ursidae (Bears)
Genus	Exidia	Ursus (Bears)
Species	Exidia glandulosa	Ursus maritimus

Conservation Status

Black Witches' Butter

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Black Witches' Butter

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, Taiwan, 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.

Black Witches' Butter

The Black Witches' Butter (Exidia glandulosa) is a species in the genus Exidia. It is currently classified as Least Concern on the IUCN Red List. Distributed across Denmark, Norway, Sweden, Taiwan, and United States.

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.