Arctic Tern vs brittlestar

Sterna paradisaea compared with Amphiura chiajei

Taxonomic Classification

Rank	Arctic Tern	brittlestar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Echinodermata (Echinoderms)
Class	Aves (Birds)	Ophiuroidea (Ophiuroidea)
Order	Charadriiformes (Charadriiformes)	Amphilepidida (Amphilepidida)
Family	Laridae	Amphiuridae
Genus	Sterna	Amphiura
Species	Sterna paradisaea	Amphiura chiajei

Evolutionary Relationship

Arctic Tern and brittlestar share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic Tern

LC — Least Concern

brittlestar

LC — Least Concern

Physical Characteristics

Attribute	Arctic Tern	brittlestar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic Tern

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador).

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

Arctic Tern

Arctic Tern (Sterna paradisaea) 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.

brittlestar

The Brittlestar (Amphiura chiajei) is a species in the genus Amphiura. It is currently classified as Least Concern on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden