Marañon Crescentchest vs Red-billed Duck

Melanopareia maranonica compared with Anas erythrorhyncha

Taxonomic Classification

Rank	Marañon Crescentchest	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	Melanopareiidae	Anatidae
Genus	Melanopareia	Anas
Species	Melanopareia maranonica	Anas erythrorhyncha

Evolutionary Relationship

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

Conservation Status

Marañon Crescentchest

LC — Least Concern

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Marañon Crescentchest	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Marañon Crescentchest

Habitat

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

Range

Distributed across Ecuador and Norway.

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