Forrest's Rock Squirrel vs

Sciurotamias forresti compared with Usnea cornuta

Key Differences

• Forrest's Rock Squirrel is Least Concern while is Near Threatened.

Taxonomic Classification

Rank	Forrest's Rock Squirrel
Kingdom	Animalia (животные)	Fungi (грибы)
Phylum	Chordata (хордовые)	Ascomycota (аскомицеты)
Class	Mammalia (млекопитающие)	Lecanoromycetes (леканоромицеты)
Order	Rodentia (грызуны)	Lecanorales (леканоровые)
Family	Sciuridae (Squirrels)	Parmeliaceae
Genus	Sciurotamias	Usnea
Species	Sciurotamias forresti	Usnea cornuta

Conservation Status

Forrest's Rock Squirrel

LC — Least Concern

NT — Near Threatened

Physical Characteristics

Attribute	Forrest's Rock Squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Forrest's Rock Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Portugal, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Usnea cornuta is a fruticose lichen in the family Parmeliaceae, assessed as Near Threatened (NT). It forms shrubby, branching thalli that hang from tree branches and twigs, typically in humid forest environments. Like all Usnea species, it is highly sensitive to air pollution, particularly sulfur dioxide, making it a useful bioindicator of air quality.