Elktoe vs ours blanc

Alasmidonta marginata compared with Ursus maritimus

Key Differences

• Elktoe is Least Concern while ours blanc is Vulnerable.

Taxonomic Classification

Rank	Elktoe	ours blanc
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum	Mollusca (mollusques)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Mammalia (mammifères)
Order	Unionida (Unionoida)	Carnivora (carnivores)
Family	Unionidae	Ursidae (Bears)
Genus	Alasmidonta	Ursus (Bears)
Species	Alasmidonta marginata	Ursus maritimus

Evolutionary Relationship

Elktoe and ours blanc share a common ancestor at the Kingdom level: Animalia. (animal)

Conservation Status

Elktoe

LC — Least Concern

ours blanc

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Elktoe	ours blanc
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Elktoe

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and United States.

ours blanc

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.

ours blanc

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