Big Finner vs Running mountaingrass

Balaenoptera physalus compared with Oplismenus compositus

Key Differences

Big Finner is Endangered while Running mountaingrass is Least Concern.

Taxonomic Classification

Rank	Big Finner	Running mountaingrass
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)	Poaceae (Grass Family)
Genus	Balaenoptera (Rorquals)	Oplismenus
Species	Balaenoptera physalus	Oplismenus compositus

Conservation Status

Big Finner

EN — Endangered

Running mountaingrass

LC — Least Concern

Physical Characteristics

Attribute	Big Finner	Running mountaingrass
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.

Running mountaingrass

Habitat

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

Range

Widely distributed across Asia (Indonesia, Taiwan), Europe (France, United Kingdom), North America (Guatemala, Honduras, United States), Oceania and the Pacific (9 countries), and South America (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.