Big Finner vs Black Swift

Balaenoptera physalus compared with Cypseloides niger

Key Differences

Big Finner is Endangered while Black Swift is Least Concern.

Taxonomic Classification

Rank	Big Finner	Black Swift
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Apodiformes (Apodiformes)
Family	Balaenopteridae (Rorquals)	Apodidae
Genus	Balaenoptera (Rorquals)	Cypseloides
Species	Balaenoptera physalus	Cypseloides niger

Evolutionary Relationship

Big Finner and Black Swift share a common ancestor at the Phylum level: Chordata. (Chordates)

View Phylum: Chordata

Conservation Status

Big Finner

EN — Endangered

Black Swift

LC — Least Concern

Physical Characteristics

Attribute	Big Finner	Black Swift
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 Swift

Habitat

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

Range

Distributed across Colombia and Norway.

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 Swift

The Black Swift (Cypseloides niger) is a species in the genus Cypseloides. It is currently classified as Least Concern on the IUCN Red List. Distributed across Colombia and Norway.