Ours brun vs Opossum-souris sombre

Ursus arctos compared with Marmosops fuscatus

Key Differences

• Ours brun is Extinct while Opossum-souris sombre is Data Deficient.

Taxonomic Classification

Rank	Ours brun	Opossum-souris sombre
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mammifères)	Mammalia (mammifères)
Order	Carnivora (carnivores)	Didelphimorphia (Didelphimorphia)
Family	Ursidae (Bears)	Didelphidae
Genus	Ursus (Bears)	Marmosops
Species	Ursus arctos	Marmosops fuscatus

Evolutionary Relationship

Ours brun and Opossum-souris sombre share a common ancestor at the Class level: Mammalia. (mammifères)

Conservation Status

Ours brun

EX — Extinct

Population: ~200.0K

Trend: Stable →

Opossum-souris sombre

DD — Data Deficient

Physical Characteristics

Attribute	Ours brun	Opossum-souris sombre
Diet	Omnivore	—
Average Lifespan	25 years	—
Average Length	2.0 m	—
Average Weight	300.0 kg	—

Habitat & Geographic Range

Ours brun

Habitat

Typically found in a wide range of habitat types.

Range

Found across Europe (6 countries).

Opossum-souris sombre

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Ours brun

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.