黑尾鷗 vs 大黑脊鷗〔灰背鷗〕

Larus crassirostris compared with Larus schistisagus

Key Differences

• 黑尾鷗 is Least Concern while 大黑脊鷗〔灰背鷗〕 is Not Evaluated.

Taxonomic Classification

Rank	黑尾鷗	大黑脊鷗〔灰背鷗〕
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 schistisagus

Evolutionary Relationship

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

Conservation Status

黑尾鷗

LC — Least Concern

大黑脊鷗〔灰背鷗〕

NE — Not Evaluated

Physical Characteristics

Attribute	黑尾鷗	大黑脊鷗〔灰背鷗〕
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.

大黑脊鷗〔灰背鷗〕

Habitat

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

Range

Distributed across Norway, Sweden, Taiwan, and United States.

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.

Shared Countries

Both species can be found in 3 countries:

🇳🇴 Norway 🇹🇼 Taiwan 🇺🇸 United States