Polar bear vs Sawtoothed grain beetle

Ursus maritimus compared with Oryzaephilus surinamensis

Key Differences

Polar bear is Vulnerable while Sawtoothed grain beetle is Not Evaluated.

Taxonomic Classification

Rank	Polar bear	Sawtoothed grain beetle
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum	Chordata (động vật có dây sống)	Arthropoda (động vật Chân khớp)
Class	Mammalia (lớp Thú)	Insecta (côn trùng)
Order	Carnivora (bộ Ăn thịt)	Coleoptera (Bọ cánh cứng)
Family	Ursidae (Bears)	Silvanidae
Genus	Ursus (Bears)	Oryzaephilus
Species	Ursus maritimus	Oryzaephilus surinamensis

Evolutionary Relationship

Polar bear and Sawtoothed grain beetle share a common ancestor at the Kingdom level: Animalia. (động vật)

Xem Kingdom: Animalia

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Sawtoothed grain beetle

NE — Not Evaluated

Physical Characteristics

Attribute	Polar bear	Sawtoothed grain beetle
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.

Sawtoothed grain beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Africa (Seychelles), Asia (Japan, Mongolia, Taiwan), Europe (24 countries), North America (Canada, United States), and South America (Venezuela).

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.