Brown Rat vs Small Stagshorn

Rattus norvegicus compared with Calocera cornea

Taxonomic Classification

Rank	Brown Rat	Small Stagshorn
Kingdom	Animalia (สัตว์)	Fungi (เห็ดรา)
Phylum	Chordata (สัตว์มีแกนสันหลัง)	Basidiomycota (Club Fungi)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Dacrymycetes (Dacrymycetes)
Order	Rodentia (อันดับสัตว์ฟันแทะ)	Dacrymycetales (Dacrymycetales)
Family	Muridae (Mice & Rats)	Dacrymycetaceae
Genus	Rattus	Calocera
Species	Rattus norvegicus	Calocera cornea

Conservation Status

Brown Rat

LC — Least Concern

Small Stagshorn

LC — Least Concern

Physical Characteristics

Attribute	Brown Rat	Small Stagshorn
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).

Small Stagshorn

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and North America (United States).

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.

Shared Countries

Both species can be found in 7 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden 🇹🇼 Taiwan 🇺🇸 United States