Grayish Mourner vs Red-billed Duck

Rhytipterna simplex compared with Anas erythrorhyncha

Taxonomic Classification

Rank	Grayish Mourner	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Passeriformes (Songbirds)	Anseriformes (Anseriformes)
Family	Tyrannidae	Anatidae
Genus	Rhytipterna	Anas
Species	Rhytipterna simplex	Anas erythrorhyncha

Evolutionary Relationship

Grayish Mourner and Red-billed Duck share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Grayish Mourner

LC — Least Concern

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Grayish Mourner	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Grayish Mourner

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (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 2 countries:

🇪🇨 Ecuador 🇳🇴 Norway