Red-billed Duck vs Simons’s Mouse Opossum

Anas erythrorhyncha compared with Marmosa simonsi

Key Differences

• Red-billed Duck is Least Concern while Simons’s Mouse Opossum is Not Evaluated.

Taxonomic Classification

Rank	Red-billed Duck	Simons’s Mouse Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Didelphimorphia (Didelphimorphia)
Family	Anatidae	Didelphidae
Genus	Anas	Marmosa
Species	Anas erythrorhyncha	Marmosa simonsi

Evolutionary Relationship

Red-billed Duck and Simons’s Mouse Opossum share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Red-billed Duck

LC — Least Concern

Simons’s Mouse Opossum

NE — Not Evaluated

Physical Characteristics

Attribute	Red-billed Duck	Simons’s Mouse Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

Simons’s Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) 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 1 countries:

🇪🇨 Ecuador