corn buttercup vs Red-billed Duck

Ranunculus arvensis compared with Anas erythrorhyncha

Key Differences

• corn buttercup is Critically Endangered while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	corn buttercup	Red-billed Duck
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Aves (Birds)
Order	Ranunculales (Ranunculales)	Anseriformes (Anseriformes)
Family	Ranunculaceae	Anatidae
Genus	Ranunculus	Anas
Species	Ranunculus arvensis	Anas erythrorhyncha

Conservation Status

corn buttercup

CR — Critically Endangered

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	corn buttercup	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

corn buttercup

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate coniferous forests, and temperate broadleaf and mixed forests, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (4 countries), Europe (21 countries), North America (United States), Oceania and the Pacific (Australia), and South America (Chile). Currently classified as Critically 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 6 countries:

🇧🇪 Belgium 🇫🇷 France 🇩🇪 Germany 🇳🇱 Netherlands 🇳🇴 Norway 🇬🇧 United Kingdom