Cuckoo ray vs Red-billed Duck

Leucoraja circularis compared with Anas erythrorhyncha

Key Differences

• Cuckoo ray is Not Evaluated while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Cuckoo ray	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Aves (Birds)
Order	Rajiformes (Rajiformes)	Anseriformes (Anseriformes)
Family	Rajidae	Anatidae
Genus	Leucoraja	Anas
Species	Leucoraja circularis	Anas erythrorhyncha

Evolutionary Relationship

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

Conservation Status

Cuckoo ray

NE — Not Evaluated

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Cuckoo ray	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cuckoo ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark and Norway.

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 1 countries:

🇳🇴 Norway