Brown eagle-ray vs ハジロコチドリ

Aetomylaeus milvus compared with Charadrius hiaticula

Key Differences

• Brown eagle-ray is Endangered while ハジロコチドリ is Critically Endangered.

Taxonomic Classification

Rank	Brown eagle-ray	ハジロコチドリ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Elasmobranchii	Aves (鳥類)
Order	Myliobatiformes (トビエイ目)	Charadriiformes (チドリ目)
Family	Myliobatidae	Charadriidae
Genus	Aetomylaeus	Charadrius
Species	Aetomylaeus milvus	Charadrius hiaticula

Evolutionary Relationship

Brown eagle-ray and ハジロコチドリ share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Brown eagle-ray

EN — Endangered

ハジロコチドリ

CR — Critically Endangered

Physical Characteristics

Attribute	Brown eagle-ray	ハジロコチドリ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown eagle-ray

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Brown eagle-ray

The Brown Eagle-ray (Aetomylaeus milvus) is a species in the genus Aetomylaeus. It is currently classified as Endangered on the IUCN Red List. Native to Asia, 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。