环嘴鸥 vs 大黑脊鷗〔灰背鷗〕

Larus delawarensis compared with Larus schistisagus

Key Differences

• 环嘴鸥 is Least Concern while 大黑脊鷗〔灰背鷗〕 is Not Evaluated.

Taxonomic Classification

Rank	环嘴鸥	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 delawarensis	Larus schistisagus

Evolutionary Relationship

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

Conservation Status

环嘴鸥

LC — Least Concern

大黑脊鷗〔灰背鷗〕

NE — Not Evaluated

Physical Characteristics

Attribute	环嘴鸥	大黑脊鷗〔灰背鷗〕
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

环嘴鸥

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).

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.

环嘴鸥

环嘴鸥（Larus delawarensis）在IUCN红色名录中被列为无危（LC）。在其分布范围内广泛分布且数量丰富，种群稳定，无迫切保护忧虑。

Shared Countries

Both species can be found in 3 countries:

🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States