Brown Rat vs Impatiens Downy Mildew

Rattus norvegicus compared with Plasmopara obducens

Key Differences

• Brown Rat is Least Concern while Impatiens Downy Mildew is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	Impatiens Downy Mildew
Kingdom	Animalia (Animals)	Chromista (Chromista)
Phylum	Chordata (Chordates)	Oomycota (Oomycetes)
Class	Mammalia (Mammals)	Peronosporea (Peronosporea)
Order	Rodentia (Rodents)	Peronosporales (Peronosporales)
Family	Muridae (Mice & Rats)	Peronosporaceae
Genus	Rattus	Plasmopara
Species	Rattus norvegicus	Plasmopara obducens

Conservation Status

Brown Rat

LC — Least Concern

Impatiens Downy Mildew

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	Impatiens Downy Mildew
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).

Impatiens Downy Mildew

Habitat

Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Sweden, 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.

Shared Countries

Both species can be found in 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇹🇼 Taiwan