Black-shouldered Opossum vs brown bear

Caluromysiops irrupta compared with Ursus arctos

Key Differences

• Black-shouldered Opossum is Least Concern while brown bear is Extinct.

Taxonomic Classification

Rank	Black-shouldered Opossum	brown bear
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Didelphimorphia (Didelphimorphia)	Carnivora (Carnivorans)
Family	Didelphidae	Ursidae (Bears)
Genus	Caluromysiops	Ursus (Bears)
Species	Caluromysiops irrupta	Ursus arctos

Evolutionary Relationship

Black-shouldered Opossum and brown bear share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Black-shouldered Opossum

LC — Least Concern

brown bear

EX — Extinct

Population: ~200.0K

Trend: Stable →

Physical Characteristics

Attribute	Black-shouldered Opossum	brown bear
Diet	—	Omnivore
Average Lifespan	—	25 years
Average Length	—	2.0 m
Average Weight	—	300.0 kg

Habitat & Geographic Range

Black-shouldered Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

brown bear

Habitat

Typically found in a wide range of habitat types.

Range

Found across Europe (6 countries).

Black-shouldered Opossum

The Black-shouldered Opossum (Caluromysiops irrupta) is a species in the genus Caluromysiops. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

brown bear

The world's most widely distributed bear species, brown bears range from North America and Europe across Russia to Japan, occupying forests, tundra, and alpine meadows. Adults can weigh up to 700 kg in coastal Alaskan populations. Omnivores that consume berries, roots, fish, and carrion, brown bears are a keystone species that distribute nutrients across landscapes. Most populations are stable, though some subspecies are threatened.