pygmy arrowhead vs Red-billed Duck

Sagittaria pygmaea compared with Anas erythrorhyncha

Taxonomic Classification

Rank	pygmy arrowhead	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	Alismataceae	Anatidae
Genus	Sagittaria	Anas
Species	Sagittaria pygmaea	Anas erythrorhyncha

Conservation Status

pygmy arrowhead

LC — Least Concern

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	pygmy arrowhead	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

pygmy arrowhead

Habitat

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

Range

Found in Taiwan.

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 (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.