Big Finner vs Small Plume

Balaenoptera physalus compared with Oxyptilus parvidactyla

Key Differences

• Big Finner is Endangered while Small Plume is Least Concern.

Taxonomic Classification

Rank	Big Finner	Small Plume
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Cetacea (Whales & Dolphins)	Lepidoptera (Butterflies & Moths)
Family	Balaenopteridae (Rorquals)	Pterophoridae
Genus	Balaenoptera (Rorquals)	Oxyptilus
Species	Balaenoptera physalus	Oxyptilus parvidactyla

Evolutionary Relationship

Big Finner and Small Plume share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Big Finner

EN — Endangered

Small Plume

LC — Least Concern

Physical Characteristics

Attribute	Big Finner	Small Plume
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.

Small Plume

Habitat

Inhabits montane grasslands and shrublands and Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Widely distributed across Africa (Morocco), Asia (6 countries), and Europe (33 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 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden