Pastenague sans dard vs ours blanc

Urogymnus asperrimus compared with Ursus maritimus

Taxonomic Classification

Rank	Pastenague sans dard	ours blanc
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (mammifères)
Order	Myliobatiformes (Myliobatiformes)	Carnivora (carnivores)
Family	Dasyatidae	Ursidae (Bears)
Genus	Urogymnus	Ursus (Bears)
Species	Urogymnus asperrimus	Ursus maritimus

Evolutionary Relationship

Pastenague sans dard and ours blanc share a common ancestor at the Phylum level: Chordata. (Chordates)

Afficher Phylum: Chordata

Conservation Status

Pastenague sans dard

VU — Vulnerable

ours blanc

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Pastenague sans dard

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its 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.

Pastenague sans dard

The African ray (Urogymnus asperrimus) is a species in the genus Urogymnus. It is currently classified as Vulnerable on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.

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.