Rohrweihe vs Kornweihe

Circus aeruginosus compared with Circus cyaneus

Key Differences

• Rohrweihe is Endangered while Kornweihe is Least Concern.

Taxonomic Classification

Rank	Rohrweihe	Kornweihe
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Aves (Vögel)	Aves (Vögel)
Order same	Accipitriformes (Greifvögel)	Accipitriformes (Greifvögel)
Family same	Accipitridae (Hawks & Eagles)	Accipitridae (Hawks & Eagles)
Genus same	Circus	Circus
Species	Circus aeruginosus	Circus cyaneus

Evolutionary Relationship

Rohrweihe and Kornweihe share a common ancestor at the Genus level: Circus.

Conservation Status

Rohrweihe

EN — Endangered

Kornweihe

LC — Least Concern

Physical Characteristics

Attribute	Rohrweihe	Kornweihe
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Rohrweihe

Habitat

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

Range

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

Kornweihe

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).

Rohrweihe

Eurasian Marsh-Harrier (Circus aeruginosus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Kornweihe

Hen Harrier (Circus cyaneus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 6 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇱🇺 Luxembourg 🇳🇴 Norway 🇷🇺 Russia 🇸🇪 Sweden