Brown Rat vs Corn speedwell

Rattus norvegicus compared with Veronica arvensis

Taxonomic Classification

Rank	Brown Rat	Corn speedwell
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Rodentia (Rodents)	Lamiales (Lamiales)
Family	Muridae (Mice & Rats)	Plantaginaceae
Genus	Rattus	Veronica
Species	Rattus norvegicus	Veronica arvensis

Conservation Status

Brown Rat

LC — Least Concern

Corn speedwell

LC — Least Concern

Physical Characteristics

Attribute	Brown Rat	Corn speedwell
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).

Corn speedwell

Habitat

Inhabits temperate broadleaf and mixed forests within the Palearctic biogeographic realm.

Range

Widely distributed across Asia (4 countries), Europe (15 countries), North America (Canada, Mexico, United States), Oceania and the Pacific (Australia), and South America (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.