Red-billed Duck vs Rufous-crowned Sparrow

Anas erythrorhyncha compared with Aimophila ruficeps

Taxonomic Classification

Rank	Red-billed Duck	Rufous-crowned Sparrow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Anseriformes (Anseriformes)	Passeriformes (Songbirds)
Family	Anatidae	Passerellidae
Genus	Anas	Aimophila
Species	Anas erythrorhyncha	Aimophila ruficeps

Evolutionary Relationship

Red-billed Duck and Rufous-crowned Sparrow share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Red-billed Duck

LC — Least Concern

Rufous-crowned Sparrow

LC — Least Concern

Physical Characteristics

Attribute	Red-billed Duck	Rufous-crowned Sparrow
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).

Rufous-crowned Sparrow

Habitat

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

Range

Distributed across Norway and United Kingdom.

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:

🇳🇴 Norway 🇬🇧 United Kingdom