Polar bear vs شِفنين بحري دوريّة

Ursus maritimus compared with Rajella fyllae

Key Differences

Polar bear is Vulnerable while شِفنين بحري دوريّة is Not Evaluated.

Taxonomic Classification

Rank	Polar bear	شِفنين بحري دوريّة
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class	Mammalia (ثدييات)	Elasmobranchii
Order	Carnivora (لواحم)	Rajiformes (ورنكيات الشكل)
Family	Ursidae (Bears)	Rajidae
Genus	Ursus (Bears)	Rajella
Species	Ursus maritimus	Rajella fyllae

Evolutionary Relationship

Polar bear and شِفنين بحري دوريّة share a common ancestor at the Phylum level: Chordata. (حبليات)

استعراض Phylum: Chordata

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

شِفنين بحري دوريّة

NE — Not Evaluated

Physical Characteristics

Attribute	Polar bear	شِفنين بحري دوريّة
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.

شِفنين بحري دوريّة

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

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.