Common Shelduck vs Crested Shelduck

Tadorna tadorna compared with Tadorna cristata

Key Differences

• Common Shelduck is Least Concern while Crested Shelduck is Critically Endangered.

Taxonomic Classification

Rank	Common Shelduck	Crested Shelduck
Kingdom same	Animalia (प्राणी)	Animalia (प्राणी)
Phylum same	Chordata (रज्जुकी)	Chordata (रज्जुकी)
Class same	Aves (पक्षी)	Aves (पक्षी)
Order same	Anseriformes (ऐन्सरीफोर्मीस)	Anseriformes (ऐन्सरीफोर्मीस)
Family same	Anatidae	Anatidae
Genus same	Tadorna	Tadorna
Species	Tadorna tadorna	Tadorna cristata

Evolutionary Relationship

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

Conservation Status

Common Shelduck

LC — Least Concern

Crested Shelduck

CR — Critically Endangered

Physical Characteristics

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

Habitat & Geographic Range

Common Shelduck

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and Taiwan.

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.

Common Shelduck

Common Shelduck (Tadorna tadorna) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway