Brown Rat vs Spotted Darter

Rattus norvegicus compared with Sympetrum depressiusculum

Key Differences

• Brown Rat is Least Concern while Spotted Darter is Vulnerable.

Taxonomic Classification

Rank	Brown Rat	Spotted Darter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Odonata (Odonata)
Family	Muridae (Mice & Rats)	Libellulidae
Genus	Rattus	Sympetrum
Species	Rattus norvegicus	Sympetrum depressiusculum

Evolutionary Relationship

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

Conservation Status

Brown Rat

LC — Least Concern

Spotted Darter

VU — Vulnerable

Physical Characteristics

Attribute	Brown Rat	Spotted Darter
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).

Spotted Darter

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Luxembourg, and Taiwan. Currently classified as Vulnerable 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 3 countries:

🇧🇪 Belgium 🇱🇺 Luxembourg 🇹🇼 Taiwan