黑尾鷗 vs 大黑背鷗

Larus crassirostris compared with Larus marinus

Taxonomic Classification

Rank	黑尾鷗	大黑背鷗
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Aves (鳥綱)	Aves (鳥綱)
Order same	Charadriiformes (鸻形目)	Charadriiformes (鸻形目)
Family same	Laridae	Laridae
Genus same	Larus	Larus
Species	Larus crassirostris	Larus marinus

Evolutionary Relationship

黑尾鷗 and 大黑背鷗 share a common ancestor at the Genus level: Larus.

Conservation Status

黑尾鷗

LC — Least Concern

大黑背鷗

LC — Least Concern

Physical Characteristics

Attribute	黑尾鷗	大黑背鷗
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

黑尾鷗

Habitat

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

Range

Distributed across Norway, Taiwan, and United States.

大黑背鷗

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).

黑尾鷗

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.

大黑背鷗

大黑背鸥（Larus marinus）在IUCN红色名录中被列为无危物种（LC）。在其分布范围内广泛分布，种群数量稳定，没有迫切的保护问题。

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇺🇸 United States