Crested Bent-wing vs Red-billed Duck

Bucculatrix cristatella compared with Anas erythrorhyncha

Taxonomic Classification

Rank	Crested Bent-wing	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Lepidoptera (Butterflies & Moths)	Anseriformes (Anseriformes)
Family	Bucculatricidae	Anatidae
Genus	Bucculatrix	Anas
Species	Bucculatrix cristatella	Anas erythrorhyncha

Evolutionary Relationship

Crested Bent-wing and Red-billed Duck share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Crested Bent-wing

LC — Least Concern

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Crested Bent-wing	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Crested Bent-wing

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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 2 countries:

🇧🇪 Belgium 🇳🇴 Norway