Bare-tailed Woolly Opossum vs Polar bear

Caluromys philander compared with Ursus maritimus

Key Differences

• Bare-tailed Woolly Opossum is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Bare-tailed Woolly Opossum	Polar bear
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Didelphimorphia (Didelphimorphia)	Carnivora (สัตว์กินเนื้อ)
Family	Didelphidae	Ursidae (Bears)
Genus	Caluromys	Ursus (Bears)
Species	Caluromys philander	Ursus maritimus

Evolutionary Relationship

Bare-tailed Woolly Opossum and Polar bear share a common ancestor at the Class level: Mammalia. (สัตว์เลี้ยงลูกด้วยน้ำนม)

Conservation Status

Bare-tailed Woolly Opossum

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Bare-tailed Woolly Opossum	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Bare-tailed Woolly Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

Polar bear

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.

Bare-tailed Woolly Opossum

The Bare-tailed Woolly Opossum (Caluromys philander) is a species in the genus Caluromys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Polar bear

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.