Bladder Fern vs Rock Partridge

Cystopteris fragilis compared with Alectoris graeca

Key Differences

• Bladder Fern is Not Evaluated while Rock Partridge is Near Threatened.

Taxonomic Classification

Rank	Bladder 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	Cystopteris	Alectoris
Species	Cystopteris fragilis	Alectoris graeca

Conservation Status

Bladder Fern

NE — Not Evaluated

Rock Partridge

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

Bladder Fern

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), North America (Canada, United States), and South America (Colombia).

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.

Bladder Fern

The Bladder Fern (Cystopteris fragilis) is a species in the genus Cystopteris. Typically found in moist, shaded forest floors and tropical canopies.

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 3 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇴 Norway