黑尾鷗 vs 銀鷗〔黑脊鷗〕

Larus crassirostris compared with Larus argentatus

Taxonomic Classification

Rank	黑尾鷗	銀鷗〔黑脊鷗〕
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 argentatus

Evolutionary Relationship

黑尾鷗 and 銀鷗〔黑脊鷗〕 share a common ancestor at the Genus level: Larus.

Conservation Status

黑尾鷗

LC — Least Concern

銀鷗〔黑脊鷗〕

LC — Least Concern

Physical Characteristics

Attribute	黑尾鷗	銀鷗〔黑脊鷗〕
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.

銀鷗〔黑脊鷗〕

Habitat

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

Range

Widely distributed across Europe (5 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

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.

銀鷗〔黑脊鷗〕

银鸥（Larus argentatus）在IUCN红色名录中被评估为无危（LC）。在其分布范围内广泛存在、数量丰富，种群稳定，目前没有紧迫的保护问题。

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇺🇸 United States