Black-legged Kittiwake vs Red-legged Kittiwake

Rissa tridactyla compared with Rissa brevirostris

Key Differences

• Black-legged Kittiwake is Endangered while Red-legged Kittiwake is Vulnerable.

Taxonomic Classification

Rank	Black-legged Kittiwake	Red-legged Kittiwake
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class same	Aves (새)	Aves (새)
Order same	Charadriiformes (도요목)	Charadriiformes (도요목)
Family same	Laridae	Laridae
Genus same	Rissa	Rissa
Species	Rissa tridactyla	Rissa brevirostris

Evolutionary Relationship

Black-legged Kittiwake and Red-legged Kittiwake share a common ancestor at the Genus level: Rissa.

Conservation Status

Black-legged Kittiwake

EN — Endangered

Red-legged Kittiwake

VU — Vulnerable

Physical Characteristics

Attribute	Black-legged Kittiwake	Red-legged Kittiwake
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-legged Kittiwake

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.

Red-legged Kittiwake

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.

Black-legged Kittiwake

Black-legged Kittiwake(Rissa tridactyla)은(는) IUCN 적색목록에서 멸종위기종(EN)으로 분류됩니다. 야생에서 절멸 위험이 높으며, 개체군이 현저히 감소하고 생존을 위협하는 요인이 지속되고 있습니다.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway