Black scale vs Brown Rat

Saissetia oleae compared with Rattus norvegicus

Key Differences

• Black scale is Not Evaluated while Brown Rat is Least Concern.

Taxonomic Classification

Rank	Black scale	Brown Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Hemiptera (Hemiptera)	Rodentia (Rodents)
Family	Coccidae	Muridae (Mice & Rats)
Genus	Saissetia	Rattus
Species	Saissetia oleae	Rattus norvegicus

Evolutionary Relationship

Black scale and Brown Rat share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black scale

NE — Not Evaluated

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	Black scale	Brown Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black scale

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Asia (Cyprus, Israel, Taiwan), Europe (22 countries), North America (Dominica, United States), and South America (Chile).

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).

Black scale

The Black scale (Saissetia oleae) is a species in the genus Saissetia. Typically found in virtually all terrestrial and freshwater habitats.

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 28 countries:

🇦🇱 Albania 🇦🇹 Austria 🇧🇪 Belgium 🇧🇬 Bulgaria 🇨🇱 Chile 🇭🇷 Croatia 🇨🇾 Cyprus 🇩🇰 Denmark 🇩🇲 Dominica 🇫🇷 France 🇩🇪 Germany 🇬🇷 Greece 🇭🇺 Hungary 🇮🇱 Israel 🇮🇹 Italy 🇳🇱 Netherlands 🇳🇴 Norway 🇵🇱 Poland 🇵🇹 Portugal 🇷🇴 Romania 🇸🇰 Slovakia 🇸🇮 Slovenia 🇪🇸 Spain 🇨🇭 Switzerland 🇹🇼 Taiwan 🇺🇦 Ukraine 🇬🇧 United Kingdom 🇺🇸 United States