Red-billed Duck vs Willow Mildew

Anas erythrorhyncha compared with Erysiphe adunca

Key Differences

• Red-billed Duck is Least Concern while Willow Mildew is Not Evaluated.

Taxonomic Classification

Rank	Red-billed Duck	Willow Mildew
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Aves (Birds)	Leotiomycetes (Leotiomycetes)
Order	Anseriformes (Anseriformes)	Helotiales (Helotiales)
Family	Anatidae	Erysiphaceae
Genus	Anas	Erysiphe
Species	Anas erythrorhyncha	Erysiphe adunca

Conservation Status

Red-billed Duck

LC — Least Concern

Willow Mildew

NE — Not Evaluated

Physical Characteristics

Attribute	Red-billed Duck	Willow Mildew
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).

Willow Mildew

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

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:

🇧🇪 Belgium 🇳🇴 Norway