Polar bear vs Tropical nutrush

Ursus maritimus compared with Scleria microcarpa

Key Differences

• Polar bear is Vulnerable while Tropical nutrush is Least Concern.

Taxonomic Classification

Rank	Polar bear	Tropical nutrush
Kingdom	Animalia (حيوانات)	Plantae (نباتات)
Phylum	Chordata (حبليات)	Magnoliophyta (كاسيات البذور)
Class	Mammalia (ثدييات)	Liliopsida (زنبقانية)
Order	Carnivora (لواحم)	Poales (قبئيات)
Family	Ursidae (Bears)	Cyperaceae
Genus	Ursus (Bears)	Scleria
Species	Ursus maritimus	Scleria microcarpa

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Tropical nutrush

LC — Least Concern

Physical Characteristics

Attribute	Polar bear	Tropical nutrush
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.

Tropical nutrush

Habitat

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

Range

Distributed across Brazil, Colombia, Cuba, and United States.

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.