Red-billed Duck vs Rough Stonewort

Anas erythrorhyncha compared with Chara aspera

Key Differences

• Red-billed Duck is Least Concern while Rough Stonewort is Near Threatened.

Taxonomic Classification

Rank	Red-billed Duck	Rough 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	Chara
Species	Anas erythrorhyncha	Chara aspera

Conservation Status

Red-billed Duck

LC — Least Concern

Rough Stonewort

NT — Near Threatened

Physical Characteristics

Attribute	Red-billed Duck	Rough 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).

Rough Stonewort

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 1 countries:

🇳🇴 Norway