Eurasian Marsh-Harrier vs Formosan Serow

Circus aeruginosus compared with Capricornis swinhoei

Key Differences

• Eurasian Marsh-Harrier is Endangered while Formosan Serow is Least Concern.

Taxonomic Classification

Rank	Eurasian Marsh-Harrier	Formosan Serow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Accipitriformes (Hawks & Eagles)	Artiodactyla (Even-toed Ungulates)
Family	Accipitridae (Hawks & Eagles)	Bovidae (Bovids)
Genus	Circus	Capricornis
Species	Circus aeruginosus	Capricornis swinhoei

Evolutionary Relationship

Eurasian Marsh-Harrier and Formosan Serow share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Eurasian Marsh-Harrier

EN — Endangered

Formosan Serow

LC — Least Concern

Physical Characteristics

Attribute	Eurasian Marsh-Harrier	Formosan Serow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eurasian Marsh-Harrier

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.

Formosan Serow

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Taiwan.

Eurasian Marsh-Harrier

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.

Shared Countries

Both species can be found in 1 countries:

🇹🇼 Taiwan