Crested Shelduck vs Ruddy Shelduck

Tadorna cristata compared with Tadorna ferruginea

Key Differences

• Crested Shelduck is Critically Endangered while Ruddy Shelduck is Not Evaluated.

Taxonomic Classification

Rank	Crested Shelduck	Ruddy Shelduck
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class same	Aves (새)	Aves (새)
Order same	Anseriformes (기러기목)	Anseriformes (기러기목)
Family same	Anatidae	Anatidae
Genus same	Tadorna	Tadorna
Species	Tadorna cristata	Tadorna ferruginea

Evolutionary Relationship

Crested Shelduck and Ruddy Shelduck share a common ancestor at the Genus level: Tadorna.

Conservation Status

Crested Shelduck

CR — Critically Endangered

Ruddy Shelduck

NE — Not Evaluated

Physical Characteristics

Attribute	Crested Shelduck	Ruddy Shelduck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Crested Shelduck

Habitat

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

Range

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

Ruddy Shelduck

Habitat

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

Range

Widely distributed across Asia (Israel, Taiwan), Europe (19 countries), and North America (United States).

Ruddy Shelduck

Ruddy Shelduck(Tadorna ferruginea)은 IUCN 적색 목록에서 미평가(NE)로 분류된다. 아직 IUCN 적색 목록 기준에 따라 평가되지 않았으며 보전 상태는 결정되어야 한다.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway