Common oat vs Red-billed Duck

Avena sativa compared with Anas erythrorhyncha

Key Differences

Common oat is Not Evaluated while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Common oat	Red-billed Duck
Kingdom	Plantae (식물)	Animalia (동물)
Phylum	Magnoliophyta (피자식물문)	Chordata (척삭동물)
Class	Liliopsida (백합강)	Aves (새)
Order	Poales (벼목)	Anseriformes (기러기목)
Family	Poaceae (Grass Family)	Anatidae
Genus	Avena	Anas
Species	Avena sativa	Anas erythrorhyncha

Conservation Status

Common oat

NE — Not Evaluated

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Common oat	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common oat

Habitat

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

Range

Widely distributed across Africa (5 countries), Asia (9 countries), Europe (24 countries), North America (Canada, Mexico, United States), Oceania and the Pacific (Australia), and South America (6 countries).

Red-billed Duck

Habitat

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

Range

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

Common oat

<em>Avena sativa</em> is a domesticated annual grass in the family Poaceae, cultivated worldwide as a cereal crop and fodder plant. Originally derived from wild oat ancestors in the Fertile Crescent, it is now grown across all major agricultural regions, including Africa, Asia, Europe, North America, Oceania, and South America. The species typically thrives in cool, temperate climates with moderate rainfall and is planted in grasslands, croplands, and disturbed habitats. It has been a staple food grain for millennia, valued for its nutritional content, including beta-glucan fiber, proteins, and minerals. Common oat typically grows to 60–120 cm in height and produces distinctive drooping panicle inflorescences bearing multiple spikelets. The species is cultivated both for human consumption and as livestock forage. Its conservation status has not been formally evaluated by the IUCN, reflecting its widespread cultivation and absence of extinction risk. Biological traits such as lifespan, length, and weight are not standardized in wildlife databases given its status as a crop species, and dietary characteristics remain poorly documented in ecological terms. It is one of the most economically important cereal grains globally and supports diverse agroecosystems.