Red-billed Duck vs Sharp-tailed Sandpiper

Anas erythrorhyncha compared with Calidris acuminata

Key Differences

• Red-billed Duck is Least Concern while Sharp-tailed Sandpiper is Not Evaluated.

Taxonomic Classification

Rank	Red-billed Duck	Sharp-tailed Sandpiper
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Anseriformes (Anseriformes)	Charadriiformes (Charadriiformes)
Family	Anatidae	Scolopacidae
Genus	Anas	Calidris
Species	Anas erythrorhyncha	Calidris acuminata

Evolutionary Relationship

Red-billed Duck and Sharp-tailed Sandpiper share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Red-billed Duck

LC — Least Concern

Sharp-tailed Sandpiper

NE — Not Evaluated

Physical Characteristics

Attribute	Red-billed Duck	Sharp-tailed Sandpiper
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).

Sharp-tailed Sandpiper

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Asia (Taiwan), Europe (4 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 3 countries:

🇧🇪 Belgium 🇪🇨 Ecuador 🇳🇴 Norway