Rock Partridge vs

Alectoris graeca compared with Usnea cornuta

Taxonomic Classification

Rank	Rock Partridge
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Aves (Birds)	Lecanoromycetes (Lecanoromycetes)
Order	Galliformes (Galliformes)	Lecanorales (Lecanorales)
Family	Phasianidae	Parmeliaceae
Genus	Alectoris	Usnea
Species	Alectoris graeca	Usnea cornuta

Conservation Status

Rock Partridge

NT — Near Threatened

Physical Characteristics

Attribute	Rock Partridge
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Rock Partridge

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (8 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Rock Partridge

Rock Partridge (Alectoris graeca) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

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.