Canvasback vs Narrow-headed Vole

Aythya valisineria compared with Microtus gregalis

Key Differences

• Canvasback is Not Evaluated while Narrow-headed Vole is Least Concern.

Taxonomic Classification

Rank	Canvasback	Narrow-headed Vole
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Rodentia (Rodents)
Family	Anatidae	Cricetidae
Genus	Aythya	Microtus
Species	Aythya valisineria	Microtus gregalis

Evolutionary Relationship

Canvasback and Narrow-headed Vole share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Canvasback

NE — Not Evaluated

Narrow-headed Vole

LC — Least Concern

Physical Characteristics

Attribute	Canvasback	Narrow-headed Vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Canvasback

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and North America (United States).

Narrow-headed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Canvasback

Canvasback (Aythya valisineria) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.