Blauwal vs Brittle Bladderfern

Balaenoptera musculus compared with Cystopteris tenuis

Key Differences

• Blauwal is Vulnerable while Brittle Bladderfern is Not Evaluated.

Taxonomic Classification

Rank	Blauwal	Brittle Bladderfern
Kingdom	Animalia (Tier)	Plantae (Pflanzen)
Phylum	Chordata (Chordatiere)	Tracheophyta
Class	Mammalia (Säugetiere)	Polypodiopsida (Echte Farne)
Order	Cetacea (Whales & Dolphins)	Polypodiales (Tüpfelfarnartige)
Family	Balaenopteridae (Rorquals)	Cystopteridaceae
Genus	Balaenoptera (Rorquals)	Cystopteris
Species	Balaenoptera musculus	Cystopteris tenuis

Conservation Status

Blauwal

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

Brittle Bladderfern

NE — Not Evaluated

Physical Characteristics

Attribute	Blauwal	Brittle Bladderfern
Diet	Carnivore	—
Average Lifespan	90 years	—
Average Length	30.0 m	—
Average Weight	150.0 t	—

Habitat & Geographic Range

Blauwal

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Brittle Bladderfern

Habitat

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

Range

Distributed across Canada and United States.

Blauwal

The largest animal ever known to have lived on Earth, blue whales can reach 33 meters and 200 tonnes — their hearts alone weigh as much as a small car. Found in all oceans, they migrate between polar feeding grounds and tropical breeding areas. Filter feeders consuming up to 4 tonnes of krill daily. Endangered, with global populations estimated at 10,000–25,000 after near-extinction from 20th-century whaling.

Brittle Bladderfern

The Brittle Bladderfern (Cystopteris tenuis) is a species in the genus Cystopteris. Typically found in moist, shaded forest floors and tropical canopies.