Beech Pigmy vs Big Finner

Stigmella hemargyrella compared with Balaenoptera physalus

Key Differences

• Beech Pigmy is Least Concern while Big Finner is Endangered.

Taxonomic Classification

Rank	Beech Pigmy	Big Finner
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Cetacea (Whales & Dolphins)
Family	Nepticulidae	Balaenopteridae (Rorquals)
Genus	Stigmella	Balaenoptera (Rorquals)
Species	Stigmella hemargyrella	Balaenoptera physalus

Evolutionary Relationship

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

Conservation Status

Beech Pigmy

LC — Least Concern

Big Finner

EN — Endangered

Physical Characteristics

Attribute	Beech Pigmy	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Beech Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Beech Pigmy

The Beech Pigmy (Stigmella hemargyrella) is a species in the genus Stigmella. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

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