Polar bear vs Thurston grass

Ursus maritimus compared with Urochloa glumaris

Key Differences

• Polar bear is Vulnerable while Thurston grass is Not Evaluated.

Taxonomic Classification

Rank	Polar bear	Thurston grass
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Liliopsida (Monocots)
Order	Carnivora (Carnivorans)	Poales (Grasses)
Family	Ursidae (Bears)	Poaceae (Grass Family)
Genus	Ursus (Bears)	Urochloa
Species	Ursus maritimus	Urochloa glumaris

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Thurston grass

NE — Not Evaluated

Physical Characteristics

Attribute	Polar bear	Thurston grass
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.

Thurston grass

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Widely distributed across Asia (Singapore, Taiwan), North America (United States), and Oceania and the Pacific (5 countries).

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.