Polar bear vs wild boar

Ursus maritimus compared with Sus scrofa

Key Differences

• Polar bear is Vulnerable while wild boar is Least Concern.
• Polar bear is carnivore while wild boar is omnivore.
• Polar bear is 5.6x heavier than wild boar.
• Polar bear lives longer (25 years vs 15 years).

Taxonomic Classification

Rank	Polar bear	wild boar
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Carnivora (食肉目)	Artiodactyla (偶蹄目)
Family	Ursidae (Bears)	Suidae (Pigs)
Genus	Ursus (Bears)	Sus (Pigs)
Species	Ursus maritimus	Sus scrofa

Evolutionary Relationship

Polar bear and wild boar share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

wild boar

LC — Least Concern

Trend: Stable →

Physical Characteristics

Attribute	Polar bear	wild boar
Diet	Carnivore	Omnivore
Average Lifespan	25 years	15 years
Average Length	2.4 m	1.5 m
Average Weight	450.0 kg	80.0 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.

wild boar

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Neotropic biogeographic realm.

Range

Widely distributed across Africa (5 countries), Asia (5 countries), Europe (12 countries), North America (14 countries), Oceania and the Pacific (14 countries), and South America (8 countries).

Polar bear

北极熊是地球上最大的陆地食肉动物，体重可超过700千克，分布于从加拿大到俄罗斯的北极海冰区。是高度特化的海洋哺乳动物，依赖海冰捕猎环斑海豹和髯海豹。是优秀的游泳者，能够横渡广阔的开阔水域。被列为易危种，因气候变化导致北极海冰迅速减少，种群正受到严重威胁。

wild boar

家猪的祖先野猪是体重可达200公斤的强健杂食性有蹄类动物，分布于西欧至亚洲及北非的森林、湿地和草原等多样化栖息地。由于高度适应性和旺盛繁殖力，已在北美和澳大利亚等多个地区成为入侵物种。其拱土觅食行为扰动土壤和植被，对森林结构和种子萌发产生显著影响。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway