Red-billed Duck vs Spinetail ray

Anas erythrorhyncha compared with Bathyraja spinicauda

Key Differences

• Red-billed Duck is Least Concern while Spinetail ray is Near Threatened.

Taxonomic Classification

Rank	Red-billed Duck	Spinetail ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Elasmobranchii
Order	Anseriformes (Anseriformes)	Rajiformes (Rajiformes)
Family	Anatidae	Arhynchobatidae
Genus	Anas	Bathyraja
Species	Anas erythrorhyncha	Bathyraja spinicauda

Evolutionary Relationship

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

Conservation Status

Red-billed Duck

LC — Least Concern

Spinetail ray

NT — Near Threatened

Physical Characteristics

Attribute	Red-billed Duck	Spinetail 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).

Spinetail ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Norway. 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 1 countries:

🇳🇴 Norway