Big Finner vs Black Iris

Balaenoptera physalus compared with Iris nigricans

Key Differences

• Big Finner is Endangered while Black Iris is Vulnerable.

Taxonomic Classification

Rank	Big Finner	Black Iris
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Cetacea (Whales & Dolphins)	Mantodea (Mantodea)
Family	Balaenopteridae (Rorquals)	Eremiaphilidae
Genus	Balaenoptera (Rorquals)	Iris
Species	Balaenoptera physalus	Iris nigricans

Evolutionary Relationship

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

Conservation Status

Big Finner

EN — Endangered

Black Iris

VU — Vulnerable

Physical Characteristics

Attribute	Big Finner	Black Iris
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.

Black Iris

Habitat

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.

Black Iris

The Black Iris (Iris nigricans) is a species in the genus Iris. It is currently classified as Vulnerable on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats. Detailed ecological data for this species continues to be documented through ongoing taxonomic and conservation research.