Polar bear vs Spiny Cocklebur

Ursus maritimus compared with Xanthium spinosum

Key Differences

Polar bear is Vulnerable while Spiny Cocklebur is Not Evaluated.

Taxonomic Classification

Rank	Polar bear	Spiny Cocklebur
Kingdom	Animalia (động vật)	Plantae (thực vật)
Phylum	Chordata (động vật có dây sống)	Magnoliophyta (Flowering Plants)
Class	Mammalia (lớp Thú)	Magnoliopsida (Dicots)
Order	Carnivora (bộ Ăn thịt)	Asterales (Bộ Cúc)
Family	Ursidae (Bears)	Asteraceae (Daisy Family)
Genus	Ursus (Bears)	Xanthium
Species	Ursus maritimus	Xanthium spinosum

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Spiny Cocklebur

NE — Not Evaluated

Physical Characteristics

Attribute	Polar bear	Spiny Cocklebur
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.

Spiny Cocklebur

Habitat

Inhabits montane grasslands and shrublands and deserts and xeric shrublands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (14 countries), Asia (21 countries), Europe (34 countries), North America (Canada, United States), Oceania and the Pacific (Australia, Kiribati, New Zealand), and South America (Brazil, Chile, Colombia).

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.