Big Finner vs One-Glumed Spike-Rush

Balaenoptera physalus compared with Eleocharis uniglumis

Key Differences

• Big Finner is Endangered while One-Glumed Spike-Rush is Least Concern.

Taxonomic Classification

Rank	Big Finner	One-Glumed Spike-Rush
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Liliopsida (Monocots)
Order	Cetacea (Whales & Dolphins)	Poales (Grasses)
Family	Balaenopteridae (Rorquals)	Cyperaceae
Genus	Balaenoptera (Rorquals)	Eleocharis
Species	Balaenoptera physalus	Eleocharis uniglumis

Conservation Status

Big Finner

EN — Endangered

One-Glumed Spike-Rush

LC — Least Concern

Physical Characteristics

Attribute	Big Finner	One-Glumed Spike-Rush
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.

One-Glumed Spike-Rush

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Found across Europe (7 countries) and North America (Canada).

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 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden