ユリカモメ vs ズアオカモメ

Chroicocephalus ridibundus compared with Chroicocephalus cirrocephalus

Key Differences

• ユリカモメ is Vulnerable while ズアオカモメ is Least Concern.

Taxonomic Classification

Rank	ユリカモメ	ズアオカモメ
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 ridibundus	Chroicocephalus cirrocephalus

Evolutionary Relationship

ユリカモメ and ズアオカモメ share a common ancestor at the Genus level: Chroicocephalus.

Conservation Status

ユリカモメ

VU — Vulnerable

ズアオカモメ

LC — Least Concern

Physical Characteristics

Attribute	ユリカモメ	ズアオカモメ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

ズアオカモメ

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.

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 2 countries:

🇨🇴 Colombia 🇳🇴 Norway