Red-billed Duck vs roker

Anas erythrorhyncha compared with Raja clavata

Key Differences

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

Taxonomic Classification

Rank	Red-billed Duck	roker
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Aves (นก)	Elasmobranchii
Order	Anseriformes (อันดับห่าน)	Rajiformes (อันดับปลาโรนัน)
Family	Anatidae	Rajidae
Genus	Anas	Raja
Species	Anas erythrorhyncha	Raja clavata

Evolutionary Relationship

Red-billed Duck and roker share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Red-billed Duck

LC — Least Concern

roker

NT — Near Threatened

Physical Characteristics

Attribute	Red-billed Duck	roker
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).

roker

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden. 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 2 countries:

🇧🇪 Belgium 🇳🇴 Norway