brittlestar vs 長腳秧雞

Amphiura filiformis compared with Crex crex

Key Differences

• brittlestar is Least Concern while 長腳秧雞 is Critically Endangered.

Taxonomic Classification

Rank	brittlestar	長腳秧雞
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)	Gruiformes (鹤形目)
Family	Amphiuridae	Rallidae
Genus	Amphiura	Crex
Species	Amphiura filiformis	Crex crex

Evolutionary Relationship

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

Conservation Status

brittlestar

LC — Least Concern

長腳秧雞

CR — Critically Endangered

Physical Characteristics

Attribute	brittlestar	長腳秧雞
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.

長腳秧雞

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). 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.

長腳秧雞

长脚秧鸡（Crex crex）在IUCN红色名录中被列为极度濒危（CR）。由于种群严重下降和生境丧失，在野外灭绝的风险极高。

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden