Red-billed Duck vs Teasel Marble

Anas erythrorhyncha compared with Endothenia gentianaeana

Key Differences

• Red-billed Duck is Least Concern while Teasel Marble is Not Evaluated.

Taxonomic Classification

Rank	Red-billed Duck	Teasel Marble
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Anseriformes (Anseriformes)	Lepidoptera (Butterflies & Moths)
Family	Anatidae	Tortricidae
Genus	Anas	Endothenia
Species	Anas erythrorhyncha	Endothenia gentianaeana

Evolutionary Relationship

Red-billed Duck and Teasel Marble share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Red-billed Duck

LC — Least Concern

Teasel Marble

NE — Not Evaluated

Physical Characteristics

Attribute	Red-billed Duck	Teasel Marble
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Red-billed Duck

Habitat

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

Range

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

Teasel Marble

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Sweden, and Taiwan.

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 1 countries:

🇧🇪 Belgium