Bristly Haircap vs Polar bear

Polytrichum piliferum compared with Ursus maritimus

Key Differences

Bristly Haircap is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Bristly Haircap	Polar bear
Kingdom	Plantae (plantas)	Animalia (Animals)
Phylum	Bryophyta	Chordata (cordados)
Class	Polytrichopsida (Polytrichopsida)	Mammalia (mamíferos)
Order	Polytrichales (Polytrichales)	Carnivora (carnívoros)
Family	Polytrichaceae	Ursidae (Bears)
Genus	Polytrichum	Ursus (Bears)
Species	Polytrichum piliferum	Ursus maritimus

Conservation Status

Bristly Haircap

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Bristly Haircap

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and North America (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.

Bristly Haircap

The Bristly Haircap (Polytrichum piliferum) is a species in the genus Polytrichum. It is currently classified as Least Concern on the IUCN Red List. Native to Asia and 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.