Common Shelduck vs Northern Birch Mouse

Tadorna tadorna compared with Sicista betulina

Taxonomic Classification

Rank	Common Shelduck	Northern Birch Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Rodentia (Rodents)
Family	Anatidae	Dipodidae
Genus	Tadorna	Sicista
Species	Tadorna tadorna	Sicista betulina

Evolutionary Relationship

Common Shelduck and Northern Birch Mouse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Shelduck

LC — Least Concern

Northern Birch Mouse

LC — Least Concern

Physical Characteristics

Attribute	Common Shelduck	Northern Birch Mouse
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.

Northern Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Denmark, Norway, Russia, Sweden, and Ukraine.

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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden