Red-billed Duck vs Variable watermilfoil

Anas erythrorhyncha compared with Myriophyllum heterophyllum

Key Differences

• Red-billed Duck is Least Concern while Variable watermilfoil is Not Evaluated.

Taxonomic Classification

Rank	Red-billed Duck	Variable watermilfoil
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Aves (Birds)	Magnoliopsida (Dicots)
Order	Anseriformes (Anseriformes)	Saxifragales (Saxifragales)
Family	Anatidae	Haloragaceae
Genus	Anas	Myriophyllum
Species	Anas erythrorhyncha	Myriophyllum heterophyllum

Conservation Status

Red-billed Duck

LC — Least Concern

Variable watermilfoil

NE — Not Evaluated

Physical Characteristics

Attribute	Red-billed Duck	Variable watermilfoil
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).

Variable watermilfoil

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found across Europe (10 countries) and North America (Canada, Cuba, 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 6 countries:

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