Brown Rat vs Deppe's Squirrel

Rattus norvegicus compared with Sciurus deppei

Taxonomic Classification

Rank	Brown Rat	Deppe's Squirrel
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order same	Rodentia (อันดับสัตว์ฟันแทะ)	Rodentia (อันดับสัตว์ฟันแทะ)
Family	Muridae (Mice & Rats)	Sciuridae (Squirrels)
Genus	Rattus	Sciurus (Tree Squirrels)
Species	Rattus norvegicus	Sciurus deppei

Evolutionary Relationship

Brown Rat and Deppe's Squirrel share a common ancestor at the Order level: Rodentia. (อันดับสัตว์ฟันแทะ)

Conservation Status

Brown Rat

LC — Least Concern

Deppe's Squirrel

LC — Least Concern

Physical Characteristics

Attribute	Brown Rat	Deppe's Squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Rat

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 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (11 countries), Asia (15 countries), Europe (41 countries), North America (16 countries), Oceania and the Pacific (10 countries), and South America (10 countries).

Deppe's Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Brown Rat

Brown Rat (Rattus norvegicus) 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.