brittlestar vs 剑鸻

Amphiura chiajei compared with Charadrius hiaticula

Key Differences

• brittlestar is Least Concern while 剑鸻 is Critically Endangered.

Taxonomic Classification

Rank	brittlestar	剑鸻
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Echinodermata (棘皮动物门)	Chordata (脊索动物门)
Class	Ophiuroidea (蛇尾纲)	Aves (鳥綱)
Order	Amphilepidida (阳遂足目)	Charadriiformes (鸻形目)
Family	Amphiuridae	Charadriidae
Genus	Amphiura	Charadrius
Species	Amphiura chiajei	Charadrius hiaticula

Evolutionary Relationship

brittlestar and 剑鸻 share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

brittlestar

LC — Least Concern

剑鸻

CR — Critically Endangered

Physical Characteristics

Attribute	brittlestar	剑鸻
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, Portugal, and Sweden.

剑鸻

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 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.

剑鸻

剑鸻（Charadrius hiaticula）在IUCN红色名录中被列为极危（CR）。由于种群数量严重下降和栖息地丧失，在野外面临极高的灭绝风险。

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden