nut fingernailclam vs White-cheeked Pintail

Sphaerium rivicola compared with Anas bahamensis

Key Differences

• nut fingernailclam is Not Evaluated while White-cheeked Pintail is Least Concern.

Taxonomic Classification

Rank	nut fingernailclam	White-cheeked Pintail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Aves (Birds)
Order	Sphaeriida (Sphaeriida)	Anseriformes (Anseriformes)
Family	Sphaeriidae	Anatidae
Genus	Sphaerium	Anas
Species	Sphaerium rivicola	Anas bahamensis

Evolutionary Relationship

nut fingernailclam and White-cheeked Pintail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

nut fingernailclam

NE — Not Evaluated

White-cheeked Pintail

LC — Least Concern

Physical Characteristics

Attribute	nut fingernailclam	White-cheeked Pintail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

nut fingernailclam

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, and Ukraine.

White-cheeked Pintail

Habitat

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

Range

Widely distributed across Asia (Israel), Europe (9 countries), and South America (Colombia, Ecuador, Venezuela).

White-cheeked Pintail

White-cheeked Pintail (Anas bahamensis) 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