Big Finner vs Narrow swordfern

Balaenoptera physalus compared with Nephrolepis cordifolia

Key Differences

• Big Finner is Endangered while Narrow swordfern is Not Evaluated.

Taxonomic Classification

Rank	Big Finner	Narrow swordfern
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Tracheophyta
Class	Mammalia (Mammals)	Polypodiopsida (Polypodiopsida)
Order	Cetacea (Whales & Dolphins)	Polypodiales (Polypodiales)
Family	Balaenopteridae (Rorquals)	Nephrolepidaceae
Genus	Balaenoptera (Rorquals)	Nephrolepis
Species	Balaenoptera physalus	Nephrolepis cordifolia

Conservation Status

Big Finner

EN — Endangered

Narrow swordfern

NE — Not Evaluated

Physical Characteristics

Attribute	Big Finner	Narrow swordfern
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.

Narrow swordfern

Habitat

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

Range

Widely distributed across Africa (South Africa, Zambia, Zimbabwe), Asia (Taiwan), Europe (Italy, Portugal, Sweden), North America (Cuba, United States), Oceania and the Pacific (New Zealand), and South America (Brazil, Colombia).

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 4 countries:

🇨🇴 Colombia 🇵🇹 Portugal 🇸🇪 Sweden 🇹🇼 Taiwan