Dickschalige Tellmuschel vs Himmelssylphe

Arcopagia crassa compared with Aglaiocercus kingii

Key Differences

• Dickschalige Tellmuschel is Vulnerable while Himmelssylphe is Least Concern.

Taxonomic Classification

Rank	Dickschalige Tellmuschel	Himmelssylphe
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Mollusca (Weichtiere)	Chordata (Chordatiere)
Class	Bivalvia (Muscheln)	Aves (Vögel)
Order	Cardiida (Cardiida)	Apodiformes (Seglervögel)
Family	Tellinidae	Trochilidae
Genus	Arcopagia	Aglaiocercus
Species	Arcopagia crassa	Aglaiocercus kingii

Evolutionary Relationship

Dickschalige Tellmuschel and Himmelssylphe share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Dickschalige Tellmuschel

VU — Vulnerable

Himmelssylphe

LC — Least Concern

Physical Characteristics

Attribute	Dickschalige Tellmuschel	Himmelssylphe
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dickschalige Tellmuschel

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.

Himmelssylphe

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Dickschalige Tellmuschel

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.

Himmelssylphe

One of the most strikingly ornamented hummingbirds, male long-tailed sylphs have iridescent green plumage and dramatically elongated, ribbon-like outer tail feathers reaching up to 22 cm — over three times the body length. Found in Andean cloud forests of Colombia and Venezuela, they inhabit humid montane forest between 1,400–2,800 meters elevation. Males perform elaborate display flights to attract females. Their extravagant tails are a classic example of sexual selection via female preference.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway