Crenulate Astarte vs Red-billed Duck

Astarte crenata compared with Anas erythrorhyncha

Key Differences

• Crenulate Astarte is Not Evaluated while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Crenulate Astarte	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Aves (Birds)
Order	Carditida (Carditida)	Anseriformes (Anseriformes)
Family	Astartidae	Anatidae
Genus	Astarte	Anas
Species	Astarte crenata	Anas erythrorhyncha

Evolutionary Relationship

Crenulate Astarte and Red-billed Duck share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Crenulate Astarte

NE — Not Evaluated

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Crenulate Astarte	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Crenulate Astarte

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

Red-billed Duck

Habitat

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

Range

Found across Europe (6 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 1 countries:

🇳🇴 Norway