シロチドリ vs オオチドリ

Charadrius alexandrinus compared with Charadrius veredus

Key Differences

• シロチドリ is Critically Endangered while オオチドリ is Least Concern.

Taxonomic Classification

Rank	シロチドリ	オオチドリ
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 alexandrinus	Charadrius veredus

Evolutionary Relationship

シロチドリ and オオチドリ share a common ancestor at the Genus level: Charadrius.

Conservation Status

シロチドリ

CR — Critically Endangered

オオチドリ

LC — Least Concern

Physical Characteristics

Attribute	シロチドリ	オオチドリ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

シロチドリ

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes 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.

オオチドリ

Habitat

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

Range

Distributed across Norway, Sweden, and Taiwan.

シロチドリ

シロチドリ（Charadrius alexandrinus）はIUCNレッドリストで絶滅危惧IA類（CR）に分類されている。深刻な個体数の減少と生息地の喪失により、野生での絶滅リスクが極めて高い状況にある。

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden