Big Finner vs Small Emerald Spreadwing

Balaenoptera physalus compared with Lestes virens

Key Differences

Big Finner is Endangered while Small Emerald Spreadwing is Near Threatened.

Taxonomic Classification

Rank	Big Finner	Small Emerald Spreadwing
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum	Chordata (động vật có dây sống)	Arthropoda (động vật Chân khớp)
Class	Mammalia (lớp Thú)	Insecta (côn trùng)
Order	Cetacea (Whales & Dolphins)	Odonata (Chuồn chuồn)
Family	Balaenopteridae (Rorquals)	Lestidae
Genus	Balaenoptera (Rorquals)	Lestes
Species	Balaenoptera physalus	Lestes virens

Evolutionary Relationship

Big Finner and Small Emerald Spreadwing share a common ancestor at the Kingdom level: Animalia. (động vật)

Xem Kingdom: Animalia

Conservation Status

Big Finner

EN — Endangered

Small Emerald Spreadwing

NT — Near Threatened

Physical Characteristics

Attribute	Big Finner	Small Emerald Spreadwing
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 Emerald Spreadwing

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.