Irrawaddy dolphin vs ハイイロイワシャコ

Orcaella brevirostris compared with Alectoris graeca

Key Differences

• Irrawaddy dolphin is Endangered while ハイイロイワシャコ is Near Threatened.

Taxonomic Classification

Rank	Irrawaddy dolphin	ハイイロイワシャコ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Aves (鳥類)
Order	Cetacea (Whales & Dolphins)	Galliformes (キジ目)
Family	Delphinidae (Oceanic Dolphins)	Phasianidae
Genus	Orcaella	Alectoris
Species	Orcaella brevirostris	Alectoris graeca

Evolutionary Relationship

Irrawaddy dolphin and ハイイロイワシャコ share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Irrawaddy dolphin

EN — Endangered

ハイイロイワシャコ

NT — Near Threatened

Physical Characteristics

Attribute	Irrawaddy dolphin	ハイイロイワシャコ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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。