Petit opossum-souris de Bolivie vs ours blanc

Gracilinanus aceramarcae compared with Ursus maritimus

Key Differences

• Petit opossum-souris de Bolivie is Least Concern while ours blanc is Vulnerable.

Taxonomic Classification

Rank	Petit opossum-souris de Bolivie	ours blanc
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mammifères)	Mammalia (mammifères)
Order	Didelphimorphia (Didelphimorphia)	Carnivora (carnivores)
Family	Didelphidae	Ursidae (Bears)
Genus	Gracilinanus	Ursus (Bears)
Species	Gracilinanus aceramarcae	Ursus maritimus

Evolutionary Relationship

Petit opossum-souris de Bolivie and ours blanc share a common ancestor at the Class level: Mammalia. (mammifères)

Conservation Status

Petit opossum-souris de Bolivie

LC — Least Concern

ours blanc

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Petit opossum-souris de Bolivie	ours blanc
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Petit opossum-souris de Bolivie

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Petit opossum-souris de Bolivie

The Aceramarca Gracile Opossum (Gracilinanus aceramarcae) is a species in the genus Gracilinanus. It is currently classified as Least Concern on the IUCN Red List. It typically inhabits 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.