Brown Rat vs Ceylon-olive

Rattus norvegicus compared with Elaeocarpus serratus

Key Differences

• Brown Rat is Least Concern while Ceylon-olive is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	Ceylon-olive
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Rodentia (Rodents)	Oxalidales (Oxalidales)
Family	Muridae (Mice & Rats)	Elaeocarpaceae
Genus	Rattus	Elaeocarpus
Species	Rattus norvegicus	Elaeocarpus serratus

Conservation Status

Brown Rat

LC — Least Concern

Ceylon-olive

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	Ceylon-olive
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).

Ceylon-olive

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Brazil, Mauritius, and Taiwan.

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.

Ceylon-olive

The Ceylon-Olive (Elaeocarpus serratus) is a species in the genus Elaeocarpus. Distributed across Brazil, Mauritius, and Taiwan.

Shared Countries

Both species can be found in 3 countries:

🇧🇷 Brazil 🇲🇺 Mauritius 🇹🇼 Taiwan