blue whale vs Brittle Bladder Fern Rust

Balaenoptera musculus compared with Hyalopsora polypodii

Key Differences

• blue whale is Vulnerable while Brittle Bladder Fern Rust is Not Evaluated.

Taxonomic Classification

Rank	blue whale	Brittle Bladder Fern Rust
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Pucciniomycetes (Pucciniomycetes)
Order	Cetacea (Whales & Dolphins)	Pucciniales (Pucciniales)
Family	Balaenopteridae (Rorquals)	Pucciniastraceae
Genus	Balaenoptera (Rorquals)	Hyalopsora
Species	Balaenoptera musculus	Hyalopsora polypodii

Conservation Status

blue whale

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

Brittle Bladder Fern Rust

NE — Not Evaluated

Physical Characteristics

Attribute	blue whale	Brittle Bladder Fern Rust
Diet	Carnivore	—
Average Lifespan	90 years	—
Average Length	30.0 m	—
Average Weight	150.0 t	—

Habitat & Geographic Range

blue whale

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 Bladder Fern Rust

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States).

blue whale

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 Bladder Fern Rust

The Brittle Bladder Fern Rust (Hyalopsora polypodii) is a species in the genus Hyalopsora. Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇹🇼 Taiwan