Red-billed Duck vs undulate ray

Anas erythrorhyncha compared with Raja undulata

Key Differences

• Red-billed Duck is Least Concern while undulate ray is Endangered.

Taxonomic Classification

Rank	Red-billed Duck	undulate 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	Raja
Species	Anas erythrorhyncha	Raja undulata

Evolutionary Relationship

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

Conservation Status

Red-billed Duck

LC — Least Concern

undulate ray

EN — Endangered

Physical Characteristics

Attribute	Red-billed Duck	undulate 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).

undulate ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Belgium. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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:

🇧🇪 Belgium