Red-billed Duck vs Stalked Rosette

Anas erythrorhyncha compared with Cotylidia undulata

Key Differences

• Red-billed Duck is Least Concern while Stalked Rosette is Data Deficient.

Taxonomic Classification

Rank	Red-billed Duck	Stalked Rosette
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Aves (Birds)	Agaricomycetes (Mushrooms)
Order	Anseriformes (Anseriformes)	Hymenochaetales (Hymenochaetales)
Family	Anatidae	Rickenellaceae
Genus	Anas	Cotylidia
Species	Anas erythrorhyncha	Cotylidia undulata

Conservation Status

Red-billed Duck

LC — Least Concern

Stalked Rosette

DD — Data Deficient

Physical Characteristics

Attribute	Red-billed Duck	Stalked Rosette
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).

Stalked Rosette

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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