Red-billed Duck vs Slender Stonewort

Anas erythrorhyncha compared with Nitella gracilis

Key Differences

• Red-billed Duck is Least Concern while Slender Stonewort is Vulnerable.

Taxonomic Classification

Rank	Red-billed Duck	Slender 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 gracilis

Conservation Status

Red-billed Duck

LC — Least Concern

Slender Stonewort

VU — Vulnerable

Physical Characteristics

Attribute	Red-billed Duck	Slender 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).

Slender Stonewort

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (Denmark, Norway, Sweden), North America (United States), and South America (Brazil). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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