Brown Rat vs Pine processionary

Rattus norvegicus compared with Thaumetopoea pityocampa

Key Differences

• Brown Rat is Least Concern while Pine processionary is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	Pine processionary
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)	Notodontidae
Genus	Rattus	Thaumetopoea
Species	Rattus norvegicus	Thaumetopoea pityocampa

Evolutionary Relationship

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

Conservation Status

Brown Rat

LC — Least Concern

Pine processionary

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	Pine processionary
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).

Pine processionary

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Algeria, Belgium, and Norway.

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 2 countries:

🇧🇪 Belgium 🇳🇴 Norway