Чернохвостая чайка vs Сизая чайка

Larus crassirostris compared with Larus canus

Key Differences

• Чернохвостая чайка is Least Concern while Сизая чайка is Near Threatened.

Taxonomic Classification

Rank	Чернохвостая чайка	Сизая 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 canus

Evolutionary Relationship

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

Conservation Status

Чернохвостая чайка

LC — Least Concern

Сизая чайка

NT — Near Threatened

Physical Characteristics

Attribute	Чернохвостая чайка	Сизая 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.

Сизая чайка

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Russia, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Сизая чайка

Mew Gull (Larus canus) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway