Big Finner vs Blackthorn Dotty

Balaenoptera physalus compared with Polystigma rubrum

Key Differences

• Big Finner is Endangered while Blackthorn Dotty is Least Concern.

Taxonomic Classification

Rank	Big Finner	Blackthorn Dotty
Kingdom	Animalia (حيوانات)	Fungi (فطر)
Phylum	Chordata (حبليات)	Ascomycota (فطريات زقية)
Class	Mammalia (ثدييات)	Sordariomycetes (عشوفيات)
Order	Cetacea (Whales & Dolphins)	Phyllachorales (لطخاوات)
Family	Balaenopteridae (Rorquals)	Phyllachoraceae
Genus	Balaenoptera (Rorquals)	Polystigma
Species	Balaenoptera physalus	Polystigma rubrum

Conservation Status

Big Finner

EN — Endangered

Blackthorn Dotty

LC — Least Concern

Physical Characteristics

Attribute	Big Finner	Blackthorn Dotty
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.

Blackthorn Dotty

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

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.

Blackthorn Dotty

The Blackthorn Dotty (Polystigma rubrum) is a species in the genus Polystigma. It is currently classified as Least Concern on the IUCN Red List. Distributed across Denmark, Norway, and Sweden.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden