Red-billed Duck vs Small red slender

Anas erythrorhyncha compared with Caloptilia rufipennella

Key Differences

• Red-billed Duck is Least Concern while Small red slender is Not Evaluated.

Taxonomic Classification

Rank	Red-billed Duck	Small red slender
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Anseriformes (Anseriformes)	Lepidoptera (Butterflies & Moths)
Family	Anatidae	Gracillariidae
Genus	Anas	Caloptilia
Species	Anas erythrorhyncha	Caloptilia rufipennella

Evolutionary Relationship

Red-billed Duck and Small red slender share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Red-billed Duck

LC — Least Concern

Small red slender

NE — Not Evaluated

Physical Characteristics

Attribute	Red-billed Duck	Small red slender
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).

Small red slender

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (7 countries).

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:

🇧🇪 Belgium 🇳🇴 Norway