Fett-Sandratte vs

Psammomys obesus compared with Usnea cornuta

Key Differences

• Fett-Sandratte is Least Concern while is Near Threatened.

Taxonomic Classification

Rank	Fett-Sandratte
Kingdom	Animalia (Tier)	Fungi (Pilze)
Phylum	Chordata (Chordatiere)	Ascomycota (Schlauchpilze)
Class	Mammalia (Säugetiere)	Lecanoromycetes (Lecanoromycetes)
Order	Rodentia (Nagetiere)	Lecanorales (Lecanorales)
Family	Muridae (Mice & Rats)	Parmeliaceae
Genus	Psammomys	Usnea
Species	Psammomys obesus	Usnea cornuta

Conservation Status

Fett-Sandratte

LC — Least Concern

NT — Near Threatened

Physical Characteristics

Attribute	Fett-Sandratte
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fett-Sandratte

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.