Ray's Knotgrass vs ハイイロイワシャコ

Polygonum oxyspermum compared with Alectoris graeca

Key Differences

• Ray's Knotgrass is Endangered while ハイイロイワシャコ is Near Threatened.

Taxonomic Classification

Rank	Ray's Knotgrass	ハイイロイワシャコ
Kingdom	Plantae (植物)	Animalia (動物)
Phylum	Magnoliophyta (被子植物門)	Chordata (脊索動物)
Class	Magnoliopsida (モクレン綱)	Aves (鳥類)
Order	Caryophyllales (ナデシコ目)	Galliformes (キジ目)
Family	Polygonaceae	Phasianidae
Genus	Polygonum	Alectoris
Species	Polygonum oxyspermum	Alectoris graeca

Conservation Status

Ray's Knotgrass

EN — Endangered

ハイイロイワシャコ

NT — Near Threatened

Physical Characteristics

Attribute	Ray's Knotgrass	ハイイロイワシャコ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ray's Knotgrass

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

ハイイロイワシャコ

Habitat

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

Range

Found across Europe (8 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

ハイイロイワシャコ

Rock Partridge（Alectoris graeca）は IUCN レッドリストで準絶滅危惧（NT）に分類されている。絶滅危惧の基準に近く、保全措置なしには脆弱な状態になる可能性のある個体群を持つ。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway