American red squirrel vs limestone fern

Tamiasciurus hudsonicus compared with Gymnocarpium robertianum

Key Differences

• American red squirrel is Not Evaluated while limestone fern is Critically Endangered.

Taxonomic Classification

Rank	American red squirrel	limestone fern
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Mammalia (Mammals)	Polypodiopsida (Polypodiopsida)
Order	Rodentia (Rodents)	Polypodiales (Polypodiales)
Family	Sciuridae (Squirrels)	Cystopteridaceae
Genus	Tamiasciurus	Gymnocarpium
Species	Tamiasciurus hudsonicus	Gymnocarpium robertianum

Conservation Status

American red squirrel

NE — Not Evaluated

limestone fern

CR — Critically Endangered

Physical Characteristics

Attribute	American red squirrel	limestone fern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American red squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries) and North America (United States).

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.

American red squirrel

The American red squirrel (Tamiasciurus hudsonicus) is a species in the genus Tamiasciurus. Typically found in diverse terrestrial and aquatic ecosystems.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway