American Goldthread vs Red-billed Duck

Coptis trifolia compared with Anas erythrorhyncha

Key Differences

• American Goldthread is Not Evaluated while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	American Goldthread	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	Coptis	Anas
Species	Coptis trifolia	Anas erythrorhyncha

Conservation Status

American Goldthread

NE — Not Evaluated

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	American Goldthread	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American Goldthread

Habitat

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

Range

Distributed across Canada, France, Norway, Taiwan, 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).

American Goldthread

The American Goldthread (Coptis trifolia) is a species in the genus Coptis. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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 2 countries:

🇫🇷 France 🇳🇴 Norway