Arizona Gray Squirrel vs Black Lichen

Sciurus arizonensis compared with Lichina pygmaea

Key Differences

• Arizona Gray Squirrel is Data Deficient while Black Lichen is Extinct.

Taxonomic Classification

Rank	Arizona Gray Squirrel	Black Lichen
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Lichinomycetes (Lichinomycetes)
Order	Rodentia (Rodents)	Lichinales (Lichinales)
Family	Sciuridae (Squirrels)	Lichinaceae
Genus	Sciurus (Tree Squirrels)	Lichina
Species	Sciurus arizonensis	Lichina pygmaea

Conservation Status

Arizona Gray Squirrel

DD — Data Deficient

Black Lichen

EX — Extinct

Physical Characteristics

Attribute	Arizona Gray Squirrel	Black Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arizona Gray Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Black Lichen

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

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.

Black Lichen

The Black Lichen (Lichina pygmaea) is a species in the genus Lichina. It is currently classified as Extinct on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region. Its geographic range spans Distributed across Denmark, Norway, Portugal, and Sweden.