brittlestar vs Американский красноголовый нырок

Amphiura filiformis compared with Aythya americana

Key Differences

• brittlestar is Least Concern while Американский красноголовый нырок is Not Evaluated.

Taxonomic Classification

Rank	brittlestar	Американский красноголовый нырок
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum	Echinodermata (иглокожие)	Chordata (хордовые)
Class	Ophiuroidea (Офиуры)	Aves (птицы)
Order	Amphilepidida (Amphilepidida)	Anseriformes (гусеобразные)
Family	Amphiuridae	Anatidae
Genus	Amphiura	Aythya
Species	Amphiura filiformis	Aythya americana

Evolutionary Relationship

brittlestar and Американский красноголовый нырок share a common ancestor at the Kingdom level: Animalia. (животные)

Conservation Status

brittlestar

LC — Least Concern

Американский красноголовый нырок

NE — Not Evaluated

Physical Characteristics

Attribute	brittlestar	Американский красноголовый нырок
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Американский красноголовый нырок

Habitat

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

Range

Found across Europe (7 countries) and North America (United States).

brittlestar

The Brittlestar (Amphiura filiformis) 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.

Американский красноголовый нырок

Redhead (Aythya americana) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden