Broad Scalewort vs Brown Rat

Porella obtusata compared with Rattus norvegicus

Key Differences

  • Broad Scalewort is Endangered while Brown Rat is Least Concern.

Taxonomic Classification

Rank Broad Scalewort Brown Rat
Kingdom Plantae (Plants) Animalia (Animals)
Phylum Marchantiophyta (liverwort) Chordata (Chordates)
Class Jungermanniopsida (Jungermanniopsida) Mammalia (Mammals)
Order Porellales (Porellales) Rodentia (Rodents)
Family Porellaceae Muridae (Mice & Rats)
Genus Porella Rattus
Species Porella obtusata Rattus norvegicus

Conservation Status

Broad Scalewort

EN — Endangered

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute Broad Scalewort Brown Rat
Diet
Average Lifespan
Average Length
Average Weight

Habitat & Geographic Range

Broad Scalewort

Habitat

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

Range

Distributed across Norway, Portugal, Sweden, and United States. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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).

Broad Scalewort

The Broad Scalewort (Porella obtusata) is a species in the genus Porella. It is currently classified as Endangered on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

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:

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