アンデスチュウヒ vs ハイイロチュウヒ

Circus cinereus compared with Circus cyaneus

Taxonomic Classification

Rank	アンデスチュウヒ	ハイイロチュウヒ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Aves (鳥類)	Aves (鳥類)
Order same	Accipitriformes (タカ目)	Accipitriformes (タカ目)
Family same	Accipitridae (Hawks & Eagles)	Accipitridae (Hawks & Eagles)
Genus same	Circus	Circus
Species	Circus cinereus	Circus cyaneus

Evolutionary Relationship

アンデスチュウヒ and ハイイロチュウヒ share a common ancestor at the Genus level: Circus.

Conservation Status

アンデスチュウヒ

LC — Least Concern

ハイイロチュウヒ

LC — Least Concern

Physical Characteristics

Attribute	アンデスチュウヒ	ハイイロチュウヒ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

アンデスチュウヒ

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.

ハイイロチュウヒ

Habitat

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

Range

Widely distributed across Europe (7 countries), North America (United States), and South America (Venezuela).

アンデスチュウヒ

The cinereous harrier (Circus cinereus) is a medium-sized raptor in the family Accipitridae, found across South America, with a breeding range extending from Colombia and Venezuela south through the Andes and adjacent lowlands to Tierra del Fuego and the Falkland Islands. It inhabits open grasslands, marshes, reedbeds, agricultural areas, and the high puna grasslands of the Andes, hunting low over the ground for small birds, rodents, lizards, and frogs. Like other harriers, the cinereous harrier exhibits marked sexual dimorphism: males are pale gray with black wingtips and a white rump, while females are brown and heavily streaked. The species undertakes seasonal migrations, with southern breeding populations moving northward in the austral winter. The cinereous harrier is classified as Least Concern by the IUCN, reflecting its wide South American range and adaptability to a variety of open habitats. It is entirely absent from Europe and occurs nowhere near Norway; database records to the contrary are artifacts. Threats include habitat loss from wetland drainage, conversion of native grasslands to intensive agriculture, and persecution from farmers who incorrectly blame harriers for poultry losses. The species can adapt to agricultural landscapes including rice paddies and open pastures, which provides some buffer against habitat loss.

ハイイロチュウヒ

ハイイロチュウヒ（Circus cyaneus）はIUCNレッドリストで軽度懸念（LC）に分類される。分布域全体に広く普通に生息し、個体群は安定しており、早急な保全上の懸念はない。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway