Red-billed Duck vs Round Ray

Anas erythrorhyncha compared with Rajella fyllae

Key Differences

• Red-billed Duck is Least Concern while Round Ray is Not Evaluated.

Taxonomic Classification

Rank	Red-billed Duck	Round Ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Elasmobranchii
Order	Anseriformes (Anseriformes)	Rajiformes (Rajiformes)
Family	Anatidae	Rajidae
Genus	Anas	Rajella
Species	Anas erythrorhyncha	Rajella fyllae

Evolutionary Relationship

Red-billed Duck and Round Ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Red-billed Duck

LC — Least Concern

Round Ray

NE — Not Evaluated

Physical Characteristics

Attribute	Red-billed Duck	Round Ray
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).

Round Ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across 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 1 countries:

🇳🇴 Norway