Polar bear vs rice root aphid

Ursus maritimus compared with Rhopalosiphum rufiabdominale

Key Differences

• Polar bear is Vulnerable while rice root aphid is Not Evaluated.

Taxonomic Classification

Rank	Polar bear	rice root aphid
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Carnivora (Carnivorans)	Hemiptera (Hemiptera)
Family	Ursidae (Bears)	Aphididae
Genus	Ursus (Bears)	Rhopalosiphum
Species	Ursus maritimus	Rhopalosiphum rufiabdominale

Evolutionary Relationship

Polar bear and rice root aphid share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

rice root aphid

NE — Not Evaluated

Physical Characteristics

Attribute	Polar bear	rice root aphid
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.

rice root aphid

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (17 countries) and North America (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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway