Brown Rat vs delicate germanderwort

Rattus norvegicus compared with Riccardia multifida

Key Differences

Brown Rat is Least Concern while delicate germanderwort is Endangered.

Taxonomic Classification

Rank	Brown Rat	delicate germanderwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Marchantiophyta (liverwort)
Class	Mammalia (Mammals)	Jungermanniopsida (Jungermanniopsida)
Order	Rodentia (Rodents)	Metzgeriales (Metzgeriales)
Family	Muridae (Mice & Rats)	Aneuraceae
Genus	Rattus	Riccardia
Species	Rattus norvegicus	Riccardia multifida

Conservation Status

Brown Rat

LC — Least Concern

delicate germanderwort

EN — Endangered

Physical Characteristics

Attribute	Brown Rat	delicate germanderwort
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).

delicate germanderwort

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), North America (United States), and South America (Brazil). 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.