Озёрная чайка vs Сероголовая чайка

Chroicocephalus ridibundus compared with Chroicocephalus cirrocephalus

Key Differences

• Озёрная чайка is Vulnerable while Сероголовая чайка is Least Concern.

Taxonomic Classification

Rank	Озёрная чайка	Сероголовая чайка
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class same	Aves (птицы)	Aves (птицы)
Order same	Charadriiformes (ржанкообразные)	Charadriiformes (ржанкообразные)
Family same	Laridae	Laridae
Genus same	Chroicocephalus	Chroicocephalus
Species	Chroicocephalus ridibundus	Chroicocephalus cirrocephalus

Evolutionary Relationship

Озёрная чайка and Сероголовая чайка share a common ancestor at the Genus level: Chroicocephalus.

Conservation Status

Озёрная чайка

VU — Vulnerable

Сероголовая чайка

LC — Least Concern

Physical Characteristics

Attribute	Озёрная чайка	Сероголовая чайка
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Озёрная чайка

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.

Сероголовая чайка

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.

Озёрная чайка

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 2 countries:

🇨🇴 Colombia 🇳🇴 Norway