Grizzled Colilargo vs limestone fern

Oligoryzomys griseolus compared with Gymnocarpium robertianum

Key Differences

• Grizzled Colilargo is Least Concern while limestone fern is Critically Endangered.

Taxonomic Classification

Rank	Grizzled Colilargo	limestone fern
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Mammalia (Mammals)	Polypodiopsida (Polypodiopsida)
Order	Rodentia (Rodents)	Polypodiales (Polypodiales)
Family	Cricetidae	Cystopteridaceae
Genus	Oligoryzomys	Gymnocarpium
Species	Oligoryzomys griseolus	Gymnocarpium robertianum

Conservation Status

Grizzled Colilargo

LC — Least Concern

limestone fern

CR — Critically Endangered

Physical Characteristics

Attribute	Grizzled Colilargo	limestone fern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Grizzled Colilargo

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

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.