Brown Rat vs Calamus

Rattus norvegicus compared with Acorus calamus

Taxonomic Classification

Rank	Brown Rat	Calamus
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Liliopsida (Monocots)
Order	Rodentia (Rodents)	Acorales (Acorales)
Family	Muridae (Mice & Rats)	Acoraceae
Genus	Rattus	Acorus
Species	Rattus norvegicus	Acorus calamus

Conservation Status

Brown Rat

LC — Least Concern

Calamus

LC — Least Concern

Physical Characteristics

Attribute	Brown Rat	Calamus
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).

Calamus

Habitat

Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical coniferous forests within the Indomalayan biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (5 countries), Europe (30 countries), and North America (Canada, 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.

Calamus

The Calamus (Acorus calamus) is a species in the genus Acorus. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical coniferous forests within the Indomalayan biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Shared Countries

Both species can be found in 35 countries:

🇧🇾 Belarus 🇧🇪 Belgium 🇧🇦 Bosnia and Herzegovina 🇧🇬 Bulgaria 🇨🇦 Canada 🇭🇷 Croatia 🇨🇿 Czech Republic 🇩🇰 Denmark 🇪🇪 Estonia 🇫🇮 Finland 🇫🇷 France 🇩🇪 Germany 🇭🇺 Hungary 🇮🇪 Ireland 🇮🇹 Italy 🇱🇻 Latvia 🇱🇹 Lithuania 🇱🇺 Luxembourg 🇲🇩 Moldova 🇳🇱 Netherlands 🇳🇴 Norway 🇵🇭 Philippines 🇵🇱 Poland 🇷🇴 Romania 🇷🇺 Russia 🇸🇰 Slovakia 🇸🇮 Slovenia 🇿🇦 South Africa 🇪🇸 Spain 🇸🇪 Sweden 🇨🇭 Switzerland 🇹🇼 Taiwan 🇺🇦 Ukraine 🇬🇧 United Kingdom 🇺🇸 United States