Lesser Scaup vs Narrow-headed Vole

Aythya affinis compared with Microtus gregalis

Taxonomic Classification

Rank	Lesser Scaup	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 affinis	Microtus gregalis

Evolutionary Relationship

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

Conservation Status

Lesser Scaup

LC — Least Concern

Narrow-headed Vole

LC — Least Concern

Physical Characteristics

Attribute	Lesser Scaup	Narrow-headed Vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesser Scaup

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 (Colombia, Ecuador, Venezuela).

Narrow-headed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Lesser Scaup

Lesser Scaup (Aythya affinis) 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.