Brown Cobblestone Lichen vs Polar bear

Acarospora fuscata compared with Ursus maritimus

Key Differences

Brown Cobblestone Lichen is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Brown Cobblestone Lichen	Polar bear
Kingdom	Fungi (균계)	Animalia (동물)
Phylum	Ascomycota (자낭균류)	Chordata (척삭동물)
Class	Lecanoromycetes (요강버섯강)	Mammalia (포유류)
Order	Acarosporales (Acarosporales)	Carnivora (식육목)
Family	Acarosporaceae	Ursidae (Bears)
Genus	Acarospora	Ursus (Bears)
Species	Acarospora fuscata	Ursus maritimus

Conservation Status

Brown Cobblestone Lichen

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Brown Cobblestone Lichen

Habitat

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

Range

Distributed across Denmark, 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.

Brown Cobblestone Lichen

The Brown Cobblestone Lichen (Acarospora fuscata) is a species in the genus Acarospora. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Polar bear

지구상에서 가장 큰 육상 육식동물인 북극곰은 700kg을 넘을 수 있으며 캐나다에서 러시아까지 북극 해빙 전역에 분포한다. 고리 물범과 수염 물범을 사냥하기 위해 해빙에 의존하는 고도로 특수화된 해양 포유류이다. 광활한 거리를 헤엄쳐 다닐 수 있는 뛰어난 수영 실력을 가지고 있다. 취약종으로 등재되어 있으며, 기후 변화로 인한 급격한 북극 해빙 감소로 심각한 압력을 받고 있다.