Roussette brune vs ours blanc

Haploblepharus fuscus compared with Ursus maritimus

Taxonomic Classification

Rank	Roussette brune	ours blanc
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (mammifères)
Order	Carcharhiniformes (Ground Sharks)	Carnivora (carnivores)
Family	Scyliorhinidae	Ursidae (Bears)
Genus	Haploblepharus	Ursus (Bears)
Species	Haploblepharus fuscus	Ursus maritimus

Evolutionary Relationship

Roussette brune and ours blanc share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Roussette brune

VU — Vulnerable

ours blanc

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Roussette brune

Habitat

Typically found in marine environments from coastal waters to deep ocean.

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.

Roussette brune

The Brown Shy Shark (Haploblepharus fuscus) is a species in the genus Haploblepharus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.

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.