Alpen-Blasenfarn vs Graureiher

Cystopteris alpina compared with Ardea cinerea

Key Differences

• Alpen-Blasenfarn is Near Threatened while Graureiher is Least Concern.

Taxonomic Classification

Rank	Alpen-Blasenfarn	Graureiher
Kingdom	Plantae (Pflanzen)	Animalia (Tier)
Phylum	Tracheophyta	Chordata (Chordatiere)
Class	Polypodiopsida (Echte Farne)	Aves (Vögel)
Order	Polypodiales (Tüpfelfarnartige)	Pelecaniformes (Pelecaniformes)
Family	Cystopteridaceae	Ardeidae
Genus	Cystopteris	Ardea
Species	Cystopteris alpina	Ardea cinerea

Conservation Status

Alpen-Blasenfarn

NT — Near Threatened

Graureiher

LC — Least Concern

Trend: Stable →

Physical Characteristics

Attribute	Alpen-Blasenfarn	Graureiher
Diet	—	Carnivore
Average Lifespan	—	15 years
Average Length	—	95 cm
Average Weight	—	1.5 kg

Habitat & Geographic Range

Alpen-Blasenfarn

Habitat

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

Range

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

Graureiher

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Found across Europe (6 countries).

Alpen-Blasenfarn

The Alpine Bladder-fern (Cystopteris alpina) is a species in the genus Cystopteris. It is currently classified as Near Threatened on the IUCN Red List. Typically found in moist, shaded forest floors and tropical canopies. Distributed across Norway and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Graureiher

A large, elegant wading bird reaching up to 1 meter in height, gray herons inhabit wetlands, rivers, lakes, and coastal areas across Europe, Asia, and Africa. Patient, solitary hunters, they stand motionless for long periods before striking fish, frogs, and small mammals with lightning-fast dagger bill strikes. They nest colonially in tall trees in rookeries called heronries, sometimes shared with other colonial waterbirds. Widely distributed and of Least Concern globally.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden