Brown Rat vs Predacious diving beetle

Rattus norvegicus compared with Hydroporus guernei

Key Differences

• Brown Rat is Least Concern while Predacious diving beetle is Endangered.

Taxonomic Classification

Rank	Brown Rat	Predacious diving 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)	Dytiscidae
Genus	Rattus	Hydroporus
Species	Rattus norvegicus	Hydroporus guernei

Evolutionary Relationship

Brown Rat and Predacious diving beetle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brown Rat

LC — Least Concern

Predacious diving beetle

EN — Endangered

Physical Characteristics

Attribute	Brown Rat	Predacious diving 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).

Predacious diving beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in Portugal. Currently classified as 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