Changeable Rock-moss vs Polar bear

Andreaea mutabilis compared with Ursus maritimus

Key Differences

• Changeable Rock-moss is Not Evaluated while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Changeable Rock-moss	Polar bear
Kingdom	Plantae (植物)	Animalia (动物界)
Phylum	Bryophyta	Chordata (脊索动物门)
Class	Andreaeopsida (黑藓纲)	Mammalia (哺乳動物)
Order	Andreaeales (黑藓目)	Carnivora (食肉目)
Family	Andreaeaceae	Ursidae (Bears)
Genus	Andreaea	Ursus (Bears)
Species	Andreaea mutabilis	Ursus maritimus

Conservation Status

Changeable Rock-moss

NE — Not Evaluated

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Changeable Rock-moss

Habitat

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

Range

Distributed across Norway, Sweden, and Taiwan.

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.

Changeable Rock-moss

The Changeable Rock-moss (Andreaea mutabilis) is a species in the genus Andreaea. Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Polar bear

北极熊是地球上最大的陆地食肉动物，体重可超过700千克，分布于从加拿大到俄罗斯的北极海冰区。是高度特化的海洋哺乳动物，依赖海冰捕猎环斑海豹和髯海豹。是优秀的游泳者，能够横渡广阔的开阔水域。被列为易危种，因气候变化导致北极海冰迅速减少，种群正受到严重威胁。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway