美國銀鷗 vs 小黑背鷗〔灰林銀鷗〕

Larus smithsonianus compared with Larus fuscus

Key Differences

• 美國銀鷗 is Not Evaluated while 小黑背鷗〔灰林銀鷗〕 is Least Concern.

Taxonomic Classification

Rank	美國銀鷗	小黑背鷗〔灰林銀鷗〕
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 smithsonianus	Larus fuscus

Evolutionary Relationship

美國銀鷗 and 小黑背鷗〔灰林銀鷗〕 share a common ancestor at the Genus level: Larus.

Conservation Status

美國銀鷗

NE — Not Evaluated

小黑背鷗〔灰林銀鷗〕

LC — Least Concern

Physical Characteristics

Attribute	美國銀鷗	小黑背鷗〔灰林銀鷗〕
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

美國銀鷗

Habitat

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

Range

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

小黑背鷗〔灰林銀鷗〕

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).

美國銀鷗

The American Herring Gull (Larus smithsonianus) is a species in the genus Larus. Typically found in various aerial, terrestrial, and aquatic environments.

小黑背鷗〔灰林銀鷗〕

小黑背鸥（Larus fuscus）被IUCN红色名录列为无危（LC）物种。在其分布范围内广泛分布，种群数量丰富稳定，无紧迫的保护问题。

Shared Countries

Both species can be found in 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States