Red-billed Duck vs Shaded case-bearer

Anas erythrorhyncha compared with Coleophora potentillae

Key Differences

• Red-billed Duck is Least Concern while Shaded case-bearer is Near Threatened.

Taxonomic Classification

Rank	Red-billed Duck	Shaded case-bearer
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Anseriformes (Anseriformes)	Lepidoptera (Butterflies & Moths)
Family	Anatidae	Coleophoridae
Genus	Anas	Coleophora
Species	Anas erythrorhyncha	Coleophora potentillae

Evolutionary Relationship

Red-billed Duck and Shaded case-bearer share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Red-billed Duck

LC — Least Concern

Shaded case-bearer

NT — Near Threatened

Physical Characteristics

Attribute	Red-billed Duck	Shaded case-bearer
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).

Shaded case-bearer

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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