Altai Birch Mouse vs Lesser Scaup

Sicista napaea compared with Aythya affinis

Taxonomic Classification

Rank	Altai Birch Mouse	Lesser Scaup
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Anseriformes (Anseriformes)
Family	Dipodidae	Anatidae
Genus	Sicista	Aythya
Species	Sicista napaea	Aythya affinis

Evolutionary Relationship

Altai Birch Mouse and Lesser Scaup share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Altai Birch Mouse

LC — Least Concern

Lesser Scaup

LC — Least Concern

Physical Characteristics

Attribute	Altai Birch Mouse	Lesser Scaup
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Altai Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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).

Altai Birch Mouse

The Altai Birch Mouse (Sicista napaea) is a species in the genus Sicista. It is currently classified as Least Concern on the IUCN Red List. 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.