Red-billed Duck vs Smooth Stonewort

Anas erythrorhyncha compared with Nitella flexilis

Taxonomic Classification

Rank	Red-billed Duck	Smooth Stonewort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Charophyta (Charophyta)
Class	Aves (Birds)	Charophyceae (Charophyceae)
Order	Anseriformes (Anseriformes)	Charales (Charales)
Family	Anatidae	Characeae
Genus	Anas	Nitella
Species	Anas erythrorhyncha	Nitella flexilis

Conservation Status

Red-billed Duck

LC — Least Concern

Smooth Stonewort

LC — Least Concern

Physical Characteristics

Attribute	Red-billed Duck	Smooth Stonewort
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).

Smooth Stonewort

Habitat

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

Range

Distributed across Brazil, 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.