Ferruginous Duck vs Formosan Serow

Aythya nyroca compared with Capricornis swinhoei

Key Differences

• Ferruginous Duck is Not Evaluated while Formosan Serow is Least Concern.

Taxonomic Classification

Rank	Ferruginous Duck	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	Aythya	Capricornis
Species	Aythya nyroca	Capricornis swinhoei

Evolutionary Relationship

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

Conservation Status

Ferruginous Duck

NE — Not Evaluated

Formosan Serow

LC — Least Concern

Physical Characteristics

Attribute	Ferruginous Duck	Formosan Serow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ferruginous Duck

Habitat

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

Range

Found across Asia (Taiwan) and Europe (8 countries).

Formosan Serow

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Taiwan.

Ferruginous Duck

Ferruginous Duck (Aythya nyroca) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.

Shared Countries

Both species can be found in 1 countries:

🇹🇼 Taiwan