Black-shouldered Opossum vs Eurasian Eagle-Owl

Caluromysiops irrupta compared with Bubo bubo

Key Differences

• Black-shouldered Opossum is Least Concern while Eurasian Eagle-Owl is Endangered.

Taxonomic Classification

Rank	Black-shouldered Opossum	Eurasian Eagle-Owl
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Didelphimorphia (Didelphimorphia)	Strigiformes (Owls)
Family	Didelphidae	Strigidae (True Owls)
Genus	Caluromysiops	Bubo (Eagle Owls)
Species	Caluromysiops irrupta	Bubo bubo

Evolutionary Relationship

Black-shouldered Opossum and Eurasian Eagle-Owl share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-shouldered Opossum

LC — Least Concern

Eurasian Eagle-Owl

EN — Endangered

Population: ~400.0K

Trend: Stable →

Physical Characteristics

Attribute	Black-shouldered Opossum	Eurasian Eagle-Owl
Diet	—	Carnivore
Average Lifespan	—	20 years
Average Length	—	70 cm
Average Weight	—	3.0 kg

Habitat & Geographic Range

Black-shouldered Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Eurasian Eagle-Owl

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Found across Europe (9 countries) and South America (Ecuador). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Eurasian Eagle-Owl

The world's largest owl species by height and weight, Eurasian eagle-owls have wingspans up to 1.9 meters and inhabit rocky landscapes, forest edges, and cliffs from Europe across Asia to China. Silent nocturnal hunters with powerful talons, they prey on rabbits, hares, foxes, and even other raptors. Their deep, resonant hooting carries over great distances. Relatively stable in population, though persecuted historically.