Himalayan Rat vs limestone fern

Rattus pyctoris compared with Gymnocarpium robertianum

Key Differences

• Himalayan Rat is Least Concern while limestone fern is Critically Endangered.

Taxonomic Classification

Rank	Himalayan Rat	limestone fern
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Mammalia (Mammals)	Polypodiopsida (Polypodiopsida)
Order	Rodentia (Rodents)	Polypodiales (Polypodiales)
Family	Muridae (Mice & Rats)	Cystopteridaceae
Genus	Rattus	Gymnocarpium
Species	Rattus pyctoris	Gymnocarpium robertianum

Conservation Status

Himalayan Rat

LC — Least Concern

limestone fern

CR — Critically Endangered

Physical Characteristics

Attribute	Himalayan Rat	limestone fern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Himalayan Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

limestone fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Belgium, Canada, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.