Red-billed Duck vs Saltmarsh Sharp-Tailed Sparrow

Anas erythrorhyncha compared with Ammospiza caudacuta

Key Differences

• Red-billed Duck is Least Concern while Saltmarsh Sharp-Tailed Sparrow is Endangered.

Taxonomic Classification

Rank	Red-billed Duck	Saltmarsh Sharp-Tailed Sparrow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Anseriformes (Anseriformes)	Passeriformes (Songbirds)
Family	Anatidae	Passerellidae
Genus	Anas	Ammospiza
Species	Anas erythrorhyncha	Ammospiza caudacuta

Evolutionary Relationship

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

Conservation Status

Red-billed Duck

LC — Least Concern

Saltmarsh Sharp-Tailed Sparrow

EN — Endangered

Physical Characteristics

Attribute	Red-billed Duck	Saltmarsh Sharp-Tailed Sparrow
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).

Saltmarsh Sharp-Tailed Sparrow

Habitat

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

Range

Found in Norway. 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 1 countries:

🇳🇴 Norway