ハシグロカモメ vs ユリカモメ

Chroicocephalus bulleri compared with Chroicocephalus ridibundus

Key Differences

• ハシグロカモメ is Not Evaluated while ユリカモメ is Vulnerable.

Taxonomic Classification

Rank	ハシグロカモメ	ユリカモメ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Aves (鳥類)	Aves (鳥類)
Order same	Charadriiformes (チドリ目)	Charadriiformes (チドリ目)
Family same	Laridae	Laridae
Genus same	Chroicocephalus	Chroicocephalus
Species	Chroicocephalus bulleri	Chroicocephalus ridibundus

Evolutionary Relationship

ハシグロカモメ and ユリカモメ share a common ancestor at the Genus level: Chroicocephalus.

Conservation Status

ハシグロカモメ

NE — Not Evaluated

ユリカモメ

VU — Vulnerable

Physical Characteristics

Attribute	ハシグロカモメ	ユリカモメ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

ハシグロカモメ

Habitat

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

Range

Found in Norway.

ユリカモメ

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.

ハシグロカモメ

The Black-billed Gull (Chroicocephalus bulleri) is a species in the genus Chroicocephalus. Typically found in various aerial, terrestrial, and aquatic environments.

ユリカモメ

Black-headed Gull（Chroicocephalus ridibundus）はIUCNレッドリストで危急種（VU）に分類されています。野生での絶滅リスクが高く、個体数が減少し、生息地への圧力が増大しています。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway