Brown Rat vs bulb nematode

Rattus norvegicus compared with Ditylenchus dipsaci

Key Differences

• Brown Rat is Least Concern while bulb nematode is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	bulb nematode
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Nematoda (Roundworms)
Class	Mammalia (Mammals)	Chromadorea (Chromadorea)
Order	Rodentia (Rodents)	Rhabditida (Rhabditida)
Family	Muridae (Mice & Rats)	Anguinidae
Genus	Rattus	Ditylenchus
Species	Rattus norvegicus	Ditylenchus dipsaci

Evolutionary Relationship

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

Conservation Status

Brown Rat

LC — Least Concern

bulb nematode

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	bulb nematode
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).

bulb nematode

Habitat

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

Range

Widely distributed across Africa (South Africa), Asia (China), Europe (8 countries), and North America (United States).

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.

bulb nematode

The Bulb Nematode (Ditylenchus dipsaci) is a species in the genus Ditylenchus. Native to Africa and Asia and Europe, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 10 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇵🇹 Portugal 🇿🇦 South Africa 🇸🇪 Sweden 🇬🇧 United Kingdom 🇺🇸 United States