Arizona Gray Squirrel vs limestone fern

Sciurus arizonensis compared with Gymnocarpium robertianum

Key Differences

• Arizona Gray Squirrel is Data Deficient while limestone fern is Critically Endangered.

Taxonomic Classification

Rank	Arizona Gray 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	Sciurus (Tree Squirrels)	Gymnocarpium
Species	Sciurus arizonensis	Gymnocarpium robertianum

Conservation Status

Arizona Gray Squirrel

DD — Data Deficient

limestone fern

CR — Critically Endangered

Physical Characteristics

Attribute	Arizona Gray Squirrel	limestone fern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arizona Gray Squirrel

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.

Arizona Gray Squirrel

The Arizona Gray Squirrel, Sciurus arizonensis, is a species. Its conservation status is listed as Data Deficient, meaning insufficient information exists to assess its risk of extinction. Typically found in diverse terrestrial and aquatic ecosystems.