Early Buttercup vs Red-billed Duck

Ranunculus fascicularis compared with Anas erythrorhyncha

Key Differences

Early Buttercup is Extinct while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Early 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 fascicularis	Anas erythrorhyncha

Conservation Status

Early Buttercup

EX — Extinct

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Early Buttercup	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Early Buttercup

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Canada and United States.

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.