Black-headed Gull vs Formosan Serow

Chroicocephalus ridibundus compared with Capricornis swinhoei

Key Differences

• Black-headed Gull is Vulnerable while Formosan Serow is Least Concern.

Taxonomic Classification

Rank	Black-headed Gull	Formosan Serow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Charadriiformes (Charadriiformes)	Artiodactyla (Even-toed Ungulates)
Family	Laridae	Bovidae (Bovids)
Genus	Chroicocephalus	Capricornis
Species	Chroicocephalus ridibundus	Capricornis swinhoei

Evolutionary Relationship

Black-headed Gull and Formosan Serow share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-headed Gull

VU — Vulnerable

Formosan Serow

LC — Least Concern

Physical Characteristics

Attribute	Black-headed Gull	Formosan Serow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-headed Gull

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Venezuela). 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.

Black-headed Gull

Black-headed Gull (Chroicocephalus ridibundus) 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