Red-billed Duck vs Tidalmarsh flatsedge

Anas erythrorhyncha compared with Cyperus serotinus

Key Differences

• Red-billed Duck is Least Concern while Tidalmarsh flatsedge is Extinct.

Taxonomic Classification

Rank	Red-billed Duck	Tidalmarsh flatsedge
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Aves (Birds)	Liliopsida (Monocots)
Order	Anseriformes (Anseriformes)	Poales (Grasses)
Family	Anatidae	Cyperaceae
Genus	Anas	Cyperus
Species	Anas erythrorhyncha	Cyperus serotinus

Conservation Status

Red-billed Duck

LC — Least Concern

Tidalmarsh flatsedge

EX — Extinct

Physical Characteristics

Attribute	Red-billed Duck	Tidalmarsh flatsedge
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).

Tidalmarsh flatsedge

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Bulgaria, Italy, Portugal, Taiwan, 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.