Big Finner vs Ringed Storm-Petrel

Balaenoptera physalus compared with Oceanodroma hornbyi

Key Differences

• Big Finner is Endangered while Ringed Storm-Petrel is Data Deficient.

Taxonomic Classification

Rank	Big Finner	Ringed Storm-Petrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Procellariiformes (Procellariiformes)
Family	Balaenopteridae (Rorquals)	Hydrobatidae
Genus	Balaenoptera (Rorquals)	Oceanodroma
Species	Balaenoptera physalus	Oceanodroma hornbyi

Evolutionary Relationship

Big Finner and Ringed Storm-Petrel share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big Finner

EN — Endangered

Ringed Storm-Petrel

DD — Data Deficient

Physical Characteristics

Attribute	Big Finner	Ringed Storm-Petrel
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.

Ringed Storm-Petrel

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Ecuador.

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 1 countries:

🇪🇨 Ecuador