Big Finner vs Chestnut-crested Cotinga

Balaenoptera physalus compared with Ampelion rufaxilla

Key Differences

• Big Finner is Endangered while Chestnut-crested Cotinga is Least Concern.

Taxonomic Classification

Rank	Big Finner	Chestnut-crested Cotinga
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Passeriformes (Songbirds)
Family	Balaenopteridae (Rorquals)	Cotingidae
Genus	Balaenoptera (Rorquals)	Ampelion
Species	Balaenoptera physalus	Ampelion rufaxilla

Evolutionary Relationship

Big Finner and Chestnut-crested Cotinga share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big Finner

EN — Endangered

Chestnut-crested Cotinga

LC — Least Concern

Physical Characteristics

Attribute	Big Finner	Chestnut-crested Cotinga
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.

Chestnut-crested Cotinga

Habitat

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

Range

Distributed across Colombia, Ecuador, 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.

Chestnut-crested Cotinga

The Chestnut-crested Cotinga (Ampelion rufaxilla) is a species in the genus Ampelion. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway