Big Finner vs Slender oat

Balaenoptera physalus compared with Avena barbata

Key Differences

• Big Finner is Endangered while Slender oat is Not Evaluated.

Taxonomic Classification

Rank	Big Finner	Slender oat
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)	Avena
Species	Balaenoptera physalus	Avena barbata

Conservation Status

Big Finner

EN — Endangered

Slender oat

NE — Not Evaluated

Physical Characteristics

Attribute	Big Finner	Slender oat
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.

Slender oat

Habitat

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

Range

Widely distributed across Africa (South Africa), Asia (Iran, Japan), Europe (14 countries), North America (Mexico, United States), Oceania and the Pacific (Australia), and South America (4 countries).

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