斑腹鹞 vs 乌灰鹞

Circus cinereus compared with Circus pygargus

Key Differences

• 斑腹鹞 is Least Concern while 乌灰鹞 is Critically Endangered.

Taxonomic Classification

Rank	斑腹鹞	乌灰鹞
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Aves (鳥綱)	Aves (鳥綱)
Order same	Accipitriformes (鷹形目)	Accipitriformes (鷹形目)
Family same	Accipitridae (Hawks & Eagles)	Accipitridae (Hawks & Eagles)
Genus same	Circus	Circus
Species	Circus cinereus	Circus pygargus

Evolutionary Relationship

斑腹鹞 and 乌灰鹞 share a common ancestor at the Genus level: Circus.

Conservation Status

斑腹鹞

LC — Least Concern

乌灰鹞

CR — Critically Endangered

Physical Characteristics

Attribute	斑腹鹞	乌灰鹞
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

斑腹鹞

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.

乌灰鹞

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (6 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

斑腹鹞

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.

乌灰鹞

蒙古鹞（Circus pygargus）在 IUCN 红色名录上被列为极度濒危（CR）。由于种群严重减少和栖息地丧失，在野外面临极高的灭绝风险。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway