Polar bear vs Wrinkled slime star

Ursus maritimus compared with Pteraster militaris

Taxonomic Classification

Rank	Polar bear	Wrinkled slime star
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Echinodermata (Echinoderms)
Class	Mammalia (Mammals)	Asteroidea (Sea Stars)
Order	Carnivora (Carnivorans)	Velatida (Velatida)
Family	Ursidae (Bears)	Pterasteridae
Genus	Ursus (Bears)	Pteraster
Species	Ursus maritimus	Pteraster militaris

Evolutionary Relationship

Polar bear and Wrinkled slime star share a common ancestor at the Kingdom level: Animalia. (Animals)

View Kingdom: Animalia

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Wrinkled slime star

VU — Vulnerable

Physical Characteristics

Attribute	Polar bear	Wrinkled slime star
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.

Wrinkled slime star

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Vulnerable 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.