ours blanc vs Holbiche quagga

Ursus maritimus compared with Halaelurus quagga

Key Differences

• ours blanc is Vulnerable while Holbiche quagga is Data Deficient.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

ours blanc

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Holbiche quagga

DD — Data Deficient

Physical Characteristics

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

Habitat & Geographic Range

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.

Holbiche quagga

Habitat

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.