ハッカチョウ vs Amerika-aka-ei

Acridotheres cristatellus compared with Hypanus americanus

Key Differences

• ハッカチョウ is Least Concern while Amerika-aka-ei is Near Threatened.

Taxonomic Classification

Rank	ハッカチョウ	Amerika-aka-ei
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Aves (鳥類)	Elasmobranchii
Order	Passeriformes (スズメ目)	Myliobatiformes (トビエイ目)
Family	Sturnidae	Dasyatidae
Genus	Acridotheres	Hypanus
Species	Acridotheres cristatellus	Hypanus americanus

Evolutionary Relationship

ハッカチョウ and Amerika-aka-ei share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

ハッカチョウ

LC — Least Concern

Amerika-aka-ei

NT — Near Threatened

Physical Characteristics

Attribute	ハッカチョウ	Amerika-aka-ei
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

ハッカチョウ

Habitat

Inhabits tropical and subtropical dry broadleaf forests and tropical and subtropical grasslands and savannas within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Japan, Singapore, United Arab Emirates), Europe (7 countries), and South America (Argentina, Bolivia).

Amerika-aka-ei

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

ハッカチョウ

カンムリハッカ（Acridotheres cristatellus）はIUCNレッドリストで軽度懸念（LC）に分類される。分布域全体で広く豊富に生息し、個体数は安定しており、即座の保全上の懸念はない。