灰澤鵟〔白尾鷂，北方灰鷂〕 vs 留尼旺鷂

Circus cyaneus compared with Circus maillardi

Key Differences

• 灰澤鵟〔白尾鷂，北方灰鷂〕 is Least Concern while 留尼旺鷂 is Endangered.

Taxonomic Classification

Rank	灰澤鵟〔白尾鷂，北方灰鷂〕	留尼旺鷂
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 cyaneus	Circus maillardi

Evolutionary Relationship

灰澤鵟〔白尾鷂，北方灰鷂〕 and 留尼旺鷂 share a common ancestor at the Genus level: Circus.

Conservation Status

灰澤鵟〔白尾鷂，北方灰鷂〕

LC — Least Concern

留尼旺鷂

EN — Endangered

Physical Characteristics

Attribute	灰澤鵟〔白尾鷂，北方灰鷂〕	留尼旺鷂
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

灰澤鵟〔白尾鷂，北方灰鷂〕

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).

留尼旺鷂

Habitat

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

Range

Found in Norway. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

灰澤鵟〔白尾鷂，北方灰鷂〕

白尾鹞（Circus cyaneus）在IUCN红色名录中被评估为无危（LC）。在其分布范围内广泛存在、数量丰富，种群稳定，目前没有紧迫的保护问题。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway