Polar bear vs tiny risso snail

Ursus maritimus compared with Rissoa parva

Key Differences

• Polar bear is Vulnerable while tiny risso snail is Least Concern.

Taxonomic Classification

Rank	Polar bear	tiny risso snail
Kingdom same	Animalia (प्राणी)	Animalia (प्राणी)
Phylum	Chordata (रज्जुकी)	Mollusca (मोलस्का)
Class	Mammalia (स्तनधारी)	Gastropoda (उदरपाद)
Order	Carnivora (मांसाहारी गण)	Littorinimorpha (Littorinimorpha)
Family	Ursidae (Bears)	Rissoidae
Genus	Ursus (Bears)	Rissoa
Species	Ursus maritimus	Rissoa parva

Evolutionary Relationship

Polar bear and tiny risso snail share a common ancestor at the Kingdom level: Animalia. (प्राणी)

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

tiny risso snail

LC — Least Concern

Physical Characteristics

Attribute	Polar bear	tiny risso snail
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.

tiny risso snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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