Polar bear vs South Polar Skua

Ursus maritimus compared with Stercorarius maccormicki

Key Differences

• Polar bear is Vulnerable while South Polar Skua is Least Concern.

Taxonomic Classification

Rank	Polar bear	South Polar Skua
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class	Mammalia (ثدييات)	Aves (طيور)
Order	Carnivora (لواحم)	Charadriiformes (إفجيجيات)
Family	Ursidae (Bears)	Stercorariidae
Genus	Ursus (Bears)	Stercorarius
Species	Ursus maritimus	Stercorarius maccormicki

Evolutionary Relationship

Polar bear and South Polar Skua share a common ancestor at the Phylum level: Chordata. (حبليات)

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

South Polar Skua

LC — Least Concern

Physical Characteristics

Attribute	Polar bear	South Polar Skua
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.

South Polar Skua

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Asia (Taiwan), Europe (Norway, Sweden), and South America (Colombia, Ecuador, Venezuela).

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway