Loutre de Cánada vs ours blanc

Lontra canadensis compared with Ursus maritimus

Key Differences

• Loutre de Cánada is Least Concern while ours blanc is Vulnerable.

Taxonomic Classification

Rank	Loutre de Cánada	ours blanc
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mammifères)	Mammalia (mammifères)
Order same	Carnivora (carnivores)	Carnivora (carnivores)
Family	Mustelidae (Weasels & Otters)	Ursidae (Bears)
Genus	Lontra	Ursus (Bears)
Species	Lontra canadensis	Ursus maritimus

Evolutionary Relationship

Loutre de Cánada and ours blanc share a common ancestor at the Order level: Carnivora. (carnivores)

Conservation Status

Loutre de Cánada

LC — Least Concern

ours blanc

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Loutre de Cánada

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in 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.

Loutre de Cánada

The Canadian Otter (Lontra canadensis) is a species in the genus Lontra. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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.