Polar bear vs Rough Star-thistle

Ursus maritimus compared with Centaurea aspera

Key Differences

Polar bear is Vulnerable while Rough Star-thistle is Not Evaluated.

Taxonomic Classification

Rank	Polar bear	Rough Star-thistle
Kingdom	Animalia (Animals)	Plantae (plantas)
Phylum	Chordata (cordados)	Magnoliophyta (Flowering Plants)
Class	Mammalia (mamíferos)	Magnoliopsida (Dicots)
Order	Carnivora (carnívoros)	Asterales (Daisies & Sunflowers)
Family	Ursidae (Bears)	Asteraceae (Daisy Family)
Genus	Ursus (Bears)	Centaurea
Species	Ursus maritimus	Centaurea aspera

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Rough Star-thistle

NE — Not Evaluated

Physical Characteristics

Attribute	Polar bear	Rough Star-thistle
Diet	Carnivore	—
Average Lifespan	25 years	—
Average Length	2.4 m	—
Average Weight	450.0 kg	—

Habitat & Geographic Range

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.

Rough Star-thistle

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Europe (7 countries), North America (United States), and Oceania and the Pacific (Australia).

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.