Чернохвостая чайка vs Кольцеклювая чайка

Larus crassirostris compared with Larus delawarensis

Taxonomic Classification

Rank	Чернохвостая чайка	Кольцеклювая 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	Larus	Larus
Species	Larus crassirostris	Larus delawarensis

Evolutionary Relationship

Чернохвостая чайка and Кольцеклювая чайка share a common ancestor at the Genus level: Larus.

Conservation Status

Чернохвостая чайка

LC — Least Concern

Кольцеклювая чайка

LC — Least Concern

Physical Characteristics

Attribute	Чернохвостая чайка	Кольцеклювая чайка
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Чернохвостая чайка

Habitat

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

Range

Distributed across Norway, Taiwan, and United States.

Кольцеклювая чайка

Habitat

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

Range

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

Чернохвостая чайка

The Black-tailed Gull (Larus crassirostris) is a species in the genus Larus. It is currently classified as Least Concern on the IUCN Red List. Distributed across Norway, Taiwan, and United States.

Кольцеклювая чайка

Ring-billed Gull (Larus delawarensis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇺🇸 United States