Big Finner vs Silky feather-winged beetle

Balaenoptera physalus compared with Acrotrichis sericans

Key Differences

Big Finner is Endangered while Silky feather-winged beetle is Least Concern.

Taxonomic Classification

Rank	Big Finner	Silky feather-winged beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Cetacea (Whales & Dolphins)	Coleoptera (Beetles)
Family	Balaenopteridae (Rorquals)	Ptiliidae
Genus	Balaenoptera (Rorquals)	Acrotrichis
Species	Balaenoptera physalus	Acrotrichis sericans

Evolutionary Relationship

Big Finner and Silky feather-winged beetle share a common ancestor at the Kingdom level: Animalia. (Animals)

View Kingdom: Animalia

Conservation Status

Big Finner

EN — Endangered

Silky feather-winged beetle

LC — Least Concern

Physical Characteristics

Attribute	Big Finner	Silky feather-winged beetle
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.

Silky feather-winged beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Africa (South Africa), Asia (Kyrgyzstan), Europe (4 countries), North America (Canada, United States), and South America (Chile).

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.