Brown Rat vs Spiny Bollworm

Rattus norvegicus compared with Earias biplaga

Key Differences

• Brown Rat is Least Concern while Spiny Bollworm is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	Spiny Bollworm
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Muridae (Mice & Rats)	Nolidae
Genus	Rattus	Earias
Species	Rattus norvegicus	Earias biplaga

Evolutionary Relationship

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

Conservation Status

Brown Rat

LC — Least Concern

Spiny Bollworm

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	Spiny Bollworm
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).

Spiny Bollworm

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Africa (9 countries), Asia (Yemen), and Europe (5 countries).

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 10 countries:

🇧🇪 Belgium 🇨🇻 Cabo Verde 🇩🇰 Denmark 🇬🇶 Equatorial Guinea 🇫🇷 France 🇳🇱 Netherlands 🇸🇹 Sao Tome and Principe 🇸🇨 Seychelles 🇿🇦 South Africa 🇬🇧 United Kingdom