Polar bear vs Weedy brome

Ursus maritimus compared with Bromus alopecuros

Key Differences

• Polar bear is Vulnerable while Weedy brome is Not Evaluated.

Taxonomic Classification

Rank	Polar bear	Weedy brome
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)	Bromus
Species	Ursus maritimus	Bromus alopecuros

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Weedy brome

NE — Not Evaluated

Physical Characteristics

Attribute	Polar bear	Weedy brome
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.

Weedy brome

Habitat

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

Range

Widely distributed across Europe (5 countries), North America (United States), and Oceania and the Pacific (Australia).

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.