Big Chickweed vs Brown Rat

Cerastium holosteoides compared with Rattus norvegicus

Key Differences

• Big Chickweed is Not Evaluated while Brown Rat is Least Concern.

Taxonomic Classification

Rank	Big Chickweed	Brown Rat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Mammalia (Mammals)
Order	Caryophyllales (Caryophyllales)	Rodentia (Rodents)
Family	Caryophyllaceae	Muridae (Mice & Rats)
Genus	Cerastium	Rattus
Species	Cerastium holosteoides	Rattus norvegicus

Conservation Status

Big Chickweed

NE — Not Evaluated

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	Big Chickweed	Brown Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Chickweed

Habitat

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

Range

Distributed across Indonesia, Norway, Russia, and United States.

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).

Big Chickweed

The Big Chickweed (Cerastium holosteoides) is a species in the genus Cerastium. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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:

🇳🇴 Norway 🇷🇺 Russia 🇺🇸 United States