limestone fern vs Rock Partridge

Gymnocarpium robertianum compared with Alectoris graeca

Key Differences

• limestone fern is Critically Endangered while Rock Partridge is Near Threatened.

Taxonomic Classification

Rank	limestone fern	Rock Partridge
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Aves (Birds)
Order	Polypodiales (Polypodiales)	Galliformes (Galliformes)
Family	Cystopteridaceae	Phasianidae
Genus	Gymnocarpium	Alectoris
Species	Gymnocarpium robertianum	Alectoris graeca

Conservation Status

limestone fern

CR — Critically Endangered

Rock Partridge

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

limestone fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Belgium, Canada, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.

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.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway