Atlantic Ancula vs ユリカモメ

Ancula gibbosa compared with Chroicocephalus ridibundus

Key Differences

• Atlantic Ancula is Least Concern while ユリカモメ is Vulnerable.

Taxonomic Classification

Rank	Atlantic Ancula	ユリカモメ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Mollusca (軟体動物)	Chordata (脊索動物)
Class	Gastropoda (腹足綱)	Aves (鳥類)
Order	Nudibranchia (裸鰓目)	Charadriiformes (チドリ目)
Family	Goniodorididae	Laridae
Genus	Ancula	Chroicocephalus
Species	Ancula gibbosa	Chroicocephalus ridibundus

Evolutionary Relationship

Atlantic Ancula and ユリカモメ share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Atlantic Ancula

LC — Least Concern

ユリカモメ

VU — Vulnerable

Physical Characteristics

Attribute	Atlantic Ancula	ユリカモメ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Ancula

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Denmark, Norway, and Sweden.

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.

Atlantic Ancula

The Atlantic Ancula (Ancula gibbosa) is a species in the genus Ancula. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden