Caucasian Birch Mouse vs House Sparrow

Sicista caucasica compared with Passer domesticus

Key Differences

• Caucasian Birch Mouse is Near Threatened while House Sparrow is Least Concern.

Taxonomic Classification

Rank	Caucasian Birch Mouse	House Sparrow
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Dipodidae	Passeridae
Genus	Sicista	Passer
Species	Sicista caucasica	Passer domesticus

Evolutionary Relationship

Caucasian Birch Mouse and House Sparrow share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Caucasian Birch Mouse

NT — Near Threatened

House Sparrow

LC — Least Concern

Physical Characteristics

Attribute	Caucasian Birch Mouse	House Sparrow
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Caucasian Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

House Sparrow

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (25 countries), Asia (4 countries), Europe (7 countries), North America (15 countries), Oceania and the Pacific (Australia, New Zealand, Vanuatu), and South America (8 countries).

Caucasian Birch Mouse

The Caucasian Birch Mouse (Sicista caucasica) is a species in the genus Sicista. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

House Sparrow

House Sparrow (Passer domesticus) 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.