Big Finner vs Fen Puffball

Balaenoptera physalus compared with Bovista paludosa

Key Differences

• Big Finner is Endangered while Fen Puffball is Near Threatened.

Taxonomic Classification

Rank	Big Finner	Fen Puffball
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Cetacea (Whales & Dolphins)	Agaricales (Gilled Mushrooms)
Family	Balaenopteridae (Rorquals)	Lycoperdaceae
Genus	Balaenoptera (Rorquals)	Bovista
Species	Balaenoptera physalus	Bovista paludosa

Conservation Status

Big Finner

EN — Endangered

Fen Puffball

NT — Near Threatened

Physical Characteristics

Attribute	Big Finner	Fen Puffball
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.

Fen Puffball

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

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

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.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden