Eurasian Wigeon vs Formosan Serow

Mareca penelope compared with Capricornis swinhoei

Key Differences

• Eurasian Wigeon is Vulnerable while Formosan Serow is Least Concern.

Taxonomic Classification

Rank	Eurasian Wigeon	Formosan Serow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Artiodactyla (Even-toed Ungulates)
Family	Anatidae	Bovidae (Bovids)
Genus	Mareca	Capricornis
Species	Mareca penelope	Capricornis swinhoei

Evolutionary Relationship

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

Conservation Status

Eurasian Wigeon

VU — Vulnerable

Formosan Serow

LC — Least Concern

Physical Characteristics

Attribute	Eurasian Wigeon	Formosan Serow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eurasian Wigeon

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States). Currently classified as Vulnerable 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 Wigeon

Eurasian Wigeon (Mareca penelope) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 1 countries:

🇹🇼 Taiwan