Montagu's Harrier vs Reunion Harrier

Circus pygargus compared with Circus maillardi

Key Differences

Montagu's Harrier is Critically Endangered while Reunion Harrier is Endangered.

Taxonomic Classification

Rank	Montagu's Harrier	Reunion Harrier
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Aves (นก)	Aves (นก)
Order same	Accipitriformes (อันดับเหยี่ยว)	Accipitriformes (อันดับเหยี่ยว)
Family same	Accipitridae (Hawks & Eagles)	Accipitridae (Hawks & Eagles)
Genus same	Circus	Circus
Species	Circus pygargus	Circus maillardi

Evolutionary Relationship

Montagu's Harrier and Reunion Harrier share a common ancestor at the Genus level: Circus.

ดู: Genus: Circus

Conservation Status

Montagu's Harrier

CR — Critically Endangered

Reunion Harrier

EN — Endangered

Physical Characteristics

Attribute	Montagu's Harrier	Reunion Harrier
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Montagu's Harrier

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.

Reunion Harrier

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.

Montagu's Harrier

Montagu's Harrier (Circus pygargus) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.