Algerian Spreadwing vs Big Finner

Lestes numidicus compared with Balaenoptera physalus

Key Differences

• Algerian Spreadwing is Data Deficient while Big Finner is Endangered.

Taxonomic Classification

Rank	Algerian Spreadwing	Big Finner
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Odonata (Odonata)	Cetacea (Whales & Dolphins)
Family	Lestidae	Balaenopteridae (Rorquals)
Genus	Lestes	Balaenoptera (Rorquals)
Species	Lestes numidicus	Balaenoptera physalus

Evolutionary Relationship

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

Conservation Status

Algerian Spreadwing

DD — Data Deficient

Big Finner

EN — Endangered

Physical Characteristics

Attribute	Algerian Spreadwing	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Algerian Spreadwing

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

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.

Algerian Spreadwing

The Algerian Spreadwing (Lestes numidicus) is a species in the genus Lestes. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment. 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.