Polar bear vs spreading threadwort

Ursus maritimus compared with Cephaloziella divaricata

Key Differences

Polar bear is Vulnerable while spreading threadwort is Endangered.

Taxonomic Classification

Rank	Polar bear	spreading threadwort
Kingdom	Animalia (حيوانات)	Plantae (نباتات)
Phylum	Chordata (حبليات)	Marchantiophyta (نباتات كبدية)
Class	Mammalia (ثدييات)	Jungermanniopsida (جنغرمنانية)
Order	Carnivora (لواحم)	Jungermanniales (جنغرمنيات)
Family	Ursidae (Bears)	Cephaloziellaceae
Genus	Ursus (Bears)	Cephaloziella
Species	Ursus maritimus	Cephaloziella divaricata

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

spreading threadwort

EN — Endangered

Physical Characteristics

Attribute	Polar bear	spreading threadwort
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.

spreading threadwort

Habitat

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

Range

Widely distributed across Europe (5 countries), North America (United States), and South America (Brazil). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Polar bear

The largest land carnivore on Earth, polar bears can exceed 700 kg and are found across Arctic sea ice from Canada to Russia. Highly specialized marine mammals that rely on sea ice to hunt ringed and bearded seals. Excellent swimmers capable of covering vast distances in open water. Listed as Vulnerable, with populations under severe pressure from rapid Arctic sea ice loss due to climate change.