ハッカチョウ vs Variable Bluet

Acridotheres cristatellus compared with Coenagrion pulchellum

Key Differences

• ハッカチョウ is Least Concern while Variable Bluet is Endangered.

Taxonomic Classification

Rank	ハッカチョウ	Variable Bluet
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Arthropoda (節足動物)
Class	Aves (鳥類)	Insecta (昆虫)
Order	Passeriformes (スズメ目)	Odonata (蜻蛉目)
Family	Sturnidae	Coenagrionidae
Genus	Acridotheres	Coenagrion
Species	Acridotheres cristatellus	Coenagrion pulchellum

Evolutionary Relationship

ハッカチョウ and Variable Bluet share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

ハッカチョウ

LC — Least Concern

Variable Bluet

EN — Endangered

Physical Characteristics

Attribute	ハッカチョウ	Variable Bluet
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).

Variable Bluet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

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。

Variable Bluet

ムラサキイトトンボ類(Coenagrion pulchellum)はIUCNレッドリストで絶滅危惧(EN)に指定されています。野生での絶滅リスクが高く、個体群の著しい減少と生存に対する継続的な脅威があります。

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway