Red-billed Duck vs White-Crowned Sparrow

Anas erythrorhyncha compared with Zonotrichia leucophrys

Key Differences

• Red-billed Duck is Least Concern while White-Crowned Sparrow is Not Evaluated.

Taxonomic Classification

Rank	Red-billed Duck	White-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	Zonotrichia
Species	Anas erythrorhyncha	Zonotrichia leucophrys

Evolutionary Relationship

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

Conservation Status

Red-billed Duck

LC — Least Concern

White-Crowned Sparrow

NE — Not Evaluated

Physical Characteristics

Attribute	Red-billed Duck	White-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).

White-Crowned Sparrow

Habitat

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

Range

Widely distributed across Europe (6 countries), North America (United States), and South America (Colombia).

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.

White-Crowned Sparrow

White-Crowned Sparrow (Zonotrichia leucophrys) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇬🇧 United Kingdom