Dusky Slender Opossum vs Lesser Scaup

Marmosops fuscatus compared with Aythya affinis

Key Differences

• Dusky Slender Opossum is Data Deficient while Lesser Scaup is Least Concern.

Taxonomic Classification

Rank	Dusky Slender Opossum	Lesser Scaup
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	Marmosops	Aythya
Species	Marmosops fuscatus	Aythya affinis

Evolutionary Relationship

Dusky Slender Opossum and Lesser Scaup share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dusky Slender Opossum

DD — Data Deficient

Lesser Scaup

LC — Least Concern

Physical Characteristics

Attribute	Dusky Slender Opossum	Lesser Scaup
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Slender Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Lesser Scaup

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Lesser Scaup

Lesser Scaup (Aythya affinis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela