Grass-Leaf Pondweed vs Red-billed Duck

Potamogeton gramineus compared with Anas erythrorhyncha

Key Differences

• Grass-Leaf Pondweed is Endangered while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Grass-Leaf Pondweed	Red-billed Duck
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Aves (Birds)
Order	Alismatales (Alismatales)	Anseriformes (Anseriformes)
Family	Potamogetonaceae	Anatidae
Genus	Potamogeton	Anas
Species	Potamogeton gramineus	Anas erythrorhyncha

Conservation Status

Grass-Leaf Pondweed

EN — Endangered

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Grass-Leaf Pondweed	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Grass-Leaf Pondweed

Habitat

Inhabits boreal forests and taiga within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (8 countries) and North America (Canada, United States). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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