blunt tellin vs Ring-necked Duck

Arcopagia crassa compared with Aythya collaris

Key Differences

• blunt tellin is Vulnerable while Ring-necked Duck is Least Concern.

Taxonomic Classification

Rank	blunt tellin	Ring-necked Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Aves (Birds)
Order	Cardiida (Cardiida)	Anseriformes (Anseriformes)
Family	Tellinidae	Anatidae
Genus	Arcopagia	Aythya
Species	Arcopagia crassa	Aythya collaris

Evolutionary Relationship

blunt tellin and Ring-necked Duck share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

blunt tellin

VU — Vulnerable

Ring-necked Duck

LC — Least Concern

Physical Characteristics

Attribute	blunt tellin	Ring-necked Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

blunt tellin

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Ring-necked Duck

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

blunt tellin

The Blunt tellin (Arcopagia crassa) is a species in the genus Arcopagia. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

Ring-necked Duck

Ring-necked Duck (Aythya collaris) 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 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden