三趾鷗 vs 紅腳三趾鷗

Rissa tridactyla compared with Rissa brevirostris

Key Differences

• 三趾鷗 is Endangered while 紅腳三趾鷗 is Vulnerable.

Taxonomic Classification

Rank	三趾鷗	紅腳三趾鷗
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	Rissa	Rissa
Species	Rissa tridactyla	Rissa brevirostris

Evolutionary Relationship

三趾鷗 and 紅腳三趾鷗 share a common ancestor at the Genus level: Rissa.

Conservation Status

三趾鷗

EN — Endangered

紅腳三趾鷗

VU — Vulnerable

Physical Characteristics

Attribute	三趾鷗	紅腳三趾鷗
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

三趾鷗

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

紅腳三趾鷗

Habitat

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

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

三趾鷗

Black-legged Kittiwake（Rissa tridactyla）在IUCN红色名录中被列为濒危（EN）物种。在野外面临高度灭绝风险，种群数量显著下降，生存威胁持续存在。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway