Black-shouldered Opossum vs Canvasback

Caluromysiops irrupta compared with Aythya valisineria

Key Differences

• Black-shouldered Opossum is Least Concern while Canvasback is Not Evaluated.

Taxonomic Classification

Rank	Black-shouldered Opossum	Canvasback
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Didelphimorphia (Didelphimorphia)	Anseriformes (Anseriformes)
Family	Didelphidae	Anatidae
Genus	Caluromysiops	Aythya
Species	Caluromysiops irrupta	Aythya valisineria

Evolutionary Relationship

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

Conservation Status

Black-shouldered Opossum

LC — Least Concern

Canvasback

NE — Not Evaluated

Physical Characteristics

Attribute	Black-shouldered Opossum	Canvasback
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-shouldered Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Canvasback

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and North America (United States).

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.

Canvasback

Canvasback (Aythya valisineria) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.