Arizona Gray Squirrel vs Brook Stippleback Lichen

Sciurus arizonensis compared with Dermatocarpon luridum

Key Differences

• Arizona Gray Squirrel is Data Deficient while Brook Stippleback Lichen is Critically Endangered.

Taxonomic Classification

Rank	Arizona Gray Squirrel	Brook Stippleback Lichen
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Eurotiomycetes (Eurotiomycetes)
Order	Rodentia (Rodents)	Verrucariales (Verrucariales)
Family	Sciuridae (Squirrels)	Verrucariaceae
Genus	Sciurus (Tree Squirrels)	Dermatocarpon
Species	Sciurus arizonensis	Dermatocarpon luridum

Conservation Status

Arizona Gray Squirrel

DD — Data Deficient

Brook Stippleback Lichen

CR — Critically Endangered

Physical Characteristics

Attribute	Arizona Gray Squirrel	Brook Stippleback Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arizona Gray Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Brook Stippleback Lichen

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. 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.

Brook Stippleback Lichen

The Brook Stippleback Lichen (Dermatocarpon luridum) is a species in the genus Dermatocarpon. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.