limestone fern vs Mexican Fox Squirrel

Gymnocarpium robertianum compared with Sciurus nayaritensis

Key Differences

• limestone fern is Critically Endangered while Mexican Fox Squirrel is Least Concern.

Taxonomic Classification

Rank	limestone fern	Mexican Fox Squirrel
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Rodentia (Rodents)
Family	Cystopteridaceae	Sciuridae (Squirrels)
Genus	Gymnocarpium	Sciurus (Tree Squirrels)
Species	Gymnocarpium robertianum	Sciurus nayaritensis

Conservation Status

limestone fern

CR — Critically Endangered

Mexican Fox Squirrel

LC — Least Concern

Physical Characteristics

Attribute	limestone fern	Mexican Fox Squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Mexican Fox Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.