Brown Rat vs St. Bees Seed-eater

Rattus norvegicus compared with Harpalus honestus

Key Differences

• Brown Rat is Least Concern while St. Bees Seed-eater is Critically Endangered.

Taxonomic Classification

Rank	Brown Rat	St. Bees Seed-eater
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	Harpalus
Species	Rattus norvegicus	Harpalus honestus

Evolutionary Relationship

Brown Rat and St. Bees Seed-eater share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brown Rat

LC — Least Concern

St. Bees Seed-eater

CR — Critically Endangered

Physical Characteristics

Attribute	Brown Rat	St. Bees Seed-eater
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).

St. Bees Seed-eater

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium and Switzerland. 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 2 countries:

🇧🇪 Belgium 🇨🇭 Switzerland