ハッカチョウ vs large tortoiseshell

Acridotheres cristatellus compared with Nymphalis polychloros

Key Differences

• ハッカチョウ is Least Concern while large tortoiseshell is Critically Endangered.

Taxonomic Classification

Rank	ハッカチョウ	large tortoiseshell
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)	Lepidoptera (チョウ目)
Family	Sturnidae	Nymphalidae (Brush-footed Butterflies)
Genus	Acridotheres	Nymphalis
Species	Acridotheres cristatellus	Nymphalis polychloros

Evolutionary Relationship

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

Conservation Status

ハッカチョウ

LC — Least Concern

large tortoiseshell

CR — Critically Endangered

Physical Characteristics

Attribute	ハッカチョウ	large tortoiseshell
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).

large tortoiseshell

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 9 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (39 countries). Currently classified as Critically 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。

large tortoiseshell

オオキタテハ（Nymphalis polychloros）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 7 countries:

🇦🇹 Austria 🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇵🇹 Portugal 🇬🇧 United Kingdom