Big Finner vs Bistort Silver Rust

Balaenoptera physalus compared with Microbotryum marginale

Key Differences

• Big Finner is Endangered while Bistort Silver Rust is Not Evaluated.

Taxonomic Classification

Rank	Big Finner	Bistort Silver Rust
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Microbotryomycetes (Microbotryomycetes)
Order	Cetacea (Whales & Dolphins)	Microbotryales (Microbotryales)
Family	Balaenopteridae (Rorquals)	Microbotryaceae
Genus	Balaenoptera (Rorquals)	Microbotryum
Species	Balaenoptera physalus	Microbotryum marginale

Conservation Status

Big Finner

EN — Endangered

Bistort Silver Rust

NE — Not Evaluated

Physical Characteristics

Attribute	Big Finner	Bistort Silver Rust
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Finner

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Bistort Silver Rust

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium and Sweden.

Big Finner

Big Finner (Balaenoptera physalus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Bistort Silver Rust

The Bistort Silver Rust (Microbotryum marginale) is a species in the genus Microbotryum. Native to Europe, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇸🇪 Sweden