Zerbrechlicher Blasenfarn vs Eisbär

Cystopteris fragilis compared with Ursus maritimus

Key Differences

Zerbrechlicher Blasenfarn is Not Evaluated while Eisbär is Vulnerable.

Taxonomic Classification

Rank	Zerbrechlicher Blasenfarn	Eisbär
Kingdom	Plantae (Pflanzen)	Animalia (Tier)
Phylum	Tracheophyta	Chordata (Chordatiere)
Class	Polypodiopsida (Echte Farne)	Mammalia (Säugetiere)
Order	Polypodiales (Tüpfelfarnartige)	Carnivora (Raubtiere)
Family	Cystopteridaceae	Ursidae (Bears)
Genus	Cystopteris	Ursus (Bears)
Species	Cystopteris fragilis	Ursus maritimus

Conservation Status

Zerbrechlicher Blasenfarn

NE — Not Evaluated

Eisbär

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Zerbrechlicher Blasenfarn	Eisbär
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Zerbrechlicher Blasenfarn

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).

Eisbär

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Zerbrechlicher Blasenfarn

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

Eisbär

The largest land carnivore on Earth, polar bears can exceed 700 kg and are found across Arctic sea ice from Canada to Russia. Highly specialized marine mammals that rely on sea ice to hunt ringed and bearded seals. Excellent swimmers capable of covering vast distances in open water. Listed as Vulnerable, with populations under severe pressure from rapid Arctic sea ice loss due to climate change.