brittlestar vs ハジロコチドリ

Amphiura filiformis compared with Charadrius hiaticula

Key Differences

• brittlestar is Least Concern while ハジロコチドリ is Critically Endangered.

Taxonomic Classification

Rank	brittlestar	ハジロコチドリ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Echinodermata (棘皮動物)	Chordata (脊索動物)
Class	Ophiuroidea (クモヒトデ)	Aves (鳥類)
Order	Amphilepidida (Amphilepidida)	Charadriiformes (チドリ目)
Family	Amphiuridae	Charadriidae
Genus	Amphiura	Charadrius
Species	Amphiura filiformis	Charadrius hiaticula

Evolutionary Relationship

brittlestar and ハジロコチドリ share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

brittlestar

LC — Least Concern

ハジロコチドリ

CR — Critically Endangered

Physical Characteristics

Attribute	brittlestar	ハジロコチドリ
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.

ハジロコチドリ

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (6 countries) and North America (United States). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

ハジロコチドリ

ハジロコチドリ（Charadrius hiaticula）はIUCNレッドリストで絶滅危惧IA類（CR）に分類されている。著しい個体数減少と生息地喪失により、野生での絶滅リスクが非常に高い。

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden