Brown Rat vs lizard crystalwort

Rattus norvegicus compared with Riccia bifurca

Key Differences

Brown Rat is Least Concern while lizard crystalwort is Endangered.

Taxonomic Classification

Rank	Brown Rat	lizard crystalwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Marchantiophyta (liverwort)
Class	Mammalia (Mammals)	Marchantiopsida (Marchantiopsida)
Order	Rodentia (Rodents)	Marchantiales (Marchantiales)
Family	Muridae (Mice & Rats)	Ricciaceae
Genus	Rattus	Riccia
Species	Rattus norvegicus	Riccia bifurca

Conservation Status

Brown Rat

LC — Least Concern

lizard crystalwort

EN — Endangered

Physical Characteristics

Attribute	Brown Rat	lizard crystalwort
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).

lizard crystalwort

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests spanning the Australasia and Oceanian realms.

Range

Widely distributed across Europe (5 countries), North America (United States), and Oceania and the Pacific (New Zealand). Currently classified as Endangered 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.