ハジロコチドリ vs フタオビチドリ

Charadrius hiaticula compared with Charadrius vociferus

Key Differences

• ハジロコチドリ is Critically Endangered while フタオビチドリ is Least Concern.

Taxonomic Classification

Rank	ハジロコチドリ	フタオビチドリ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Aves (鳥類)	Aves (鳥類)
Order same	Charadriiformes (チドリ目)	Charadriiformes (チドリ目)
Family same	Charadriidae	Charadriidae
Genus same	Charadrius	Charadrius
Species	Charadrius hiaticula	Charadrius vociferus

Evolutionary Relationship

ハジロコチドリ and フタオビチドリ share a common ancestor at the Genus level: Charadrius.

Conservation Status

ハジロコチドリ

CR — Critically Endangered

フタオビチドリ

LC — Least Concern

Physical Characteristics

Attribute	ハジロコチドリ	フタオビチドリ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic 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.

フタオビチドリ

Habitat

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

Range

Widely distributed across Europe (Norway, Sweden), North America (United States), and South America (Colombia, Ecuador, Venezuela).

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。

フタオビチドリ

キルディア（Charadrius vociferus）はIUCNレッドリストで軽度懸念（LC）に分類されている。生息域全体にわたり広く分布し個体数が安定しており、直ちに懸念される保全上の問題はない。

Shared Countries

Both species can be found in 3 countries:

🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States