Red-billed Duck vs Spiny restharrow

Anas erythrorhyncha compared with Ononis spinosa

Key Differences

• Red-billed Duck is Least Concern while Spiny restharrow is Endangered.

Taxonomic Classification

Rank	Red-billed Duck	Spiny restharrow
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Aves (Birds)	Magnoliopsida (Dicots)
Order	Anseriformes (Anseriformes)	Fabales (Legumes & Allies)
Family	Anatidae	Fabaceae
Genus	Anas	Ononis
Species	Anas erythrorhyncha	Ononis spinosa

Conservation Status

Red-billed Duck

LC — Least Concern

Spiny restharrow

EN — Endangered

Physical Characteristics

Attribute	Red-billed Duck	Spiny restharrow
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).

Spiny restharrow

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Europe (6 countries), North America (United States), and Oceania and the Pacific (Australia). 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 2 countries:

🇧🇪 Belgium 🇳🇴 Norway