floating crystalwort vs Red-billed Duck

Riccia fluitans compared with Anas erythrorhyncha

Key Differences

• floating crystalwort is Near Threatened while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	floating crystalwort	Red-billed Duck
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Marchantiophyta (liverwort)	Chordata (Chordates)
Class	Marchantiopsida (Marchantiopsida)	Aves (Birds)
Order	Marchantiales (Marchantiales)	Anseriformes (Anseriformes)
Family	Ricciaceae	Anatidae
Genus	Riccia	Anas
Species	Riccia fluitans	Anas erythrorhyncha

Conservation Status

floating crystalwort

NT — Near Threatened

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	floating crystalwort	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

floating crystalwort

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (7 countries), North America (United States), and South America (Chile). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Red-billed Duck

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (6 countries) and South America (Ecuador).

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 3 countries:

🇧🇪 Belgium 🇩🇪 Germany 🇳🇴 Norway