Brown Rat vs Ground Beetle

Rattus norvegicus compared with Calathus carvalhoi

Key Differences

• Brown Rat is Least Concern while Ground Beetle is Critically Endangered.

Taxonomic Classification

Rank	Brown Rat	Ground Beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Coleoptera (Beetles)
Family	Muridae (Mice & Rats)	Carabidae
Genus	Rattus	Calathus
Species	Rattus norvegicus	Calathus carvalhoi

Evolutionary Relationship

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

Conservation Status

Brown Rat

LC — Least Concern

Ground Beetle

CR — Critically Endangered

Physical Characteristics

Attribute	Brown Rat	Ground Beetle
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).

Ground Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in Portugal. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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 1 countries:

🇵🇹 Portugal