Polar bear vs waterlily aphid

Ursus maritimus compared with Rhopalosiphum nymphaeae

Key Differences

Polar bear is Vulnerable while waterlily aphid is Not Evaluated.

Taxonomic Classification

Rank	Polar bear	waterlily 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 nymphaeae

Evolutionary Relationship

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

View Kingdom: Animalia

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

waterlily aphid

NE — Not Evaluated

Physical Characteristics

Attribute	Polar bear	waterlily 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.

waterlily aphid

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Asia (Taiwan), Europe (5 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.