One-Glumed Spike-Rush vs Red-billed Duck

Eleocharis uniglumis compared with Anas erythrorhyncha

Taxonomic Classification

Rank	One-Glumed Spike-Rush	Red-billed Duck
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Aves (Birds)
Order	Poales (Grasses)	Anseriformes (Anseriformes)
Family	Cyperaceae	Anatidae
Genus	Eleocharis	Anas
Species	Eleocharis uniglumis	Anas erythrorhyncha

Conservation Status

One-Glumed Spike-Rush

LC — Least Concern

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	One-Glumed Spike-Rush	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

One-Glumed Spike-Rush

Habitat

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

Range

Found across Europe (7 countries) and North America (Canada).

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 🇫🇷 France 🇳🇴 Norway