Big Finner vs Chestnut-backed Antbird

Balaenoptera physalus compared with Myrmeciza exsul

Key Differences

• Big Finner is Endangered while Chestnut-backed Antbird is Least Concern.

Taxonomic Classification

Rank	Big Finner	Chestnut-backed Antbird
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)	Thamnophilidae
Genus	Balaenoptera (Rorquals)	Myrmeciza
Species	Balaenoptera physalus	Myrmeciza exsul

Evolutionary Relationship

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

Conservation Status

Big Finner

EN — Endangered

Chestnut-backed Antbird

LC — Least Concern

Physical Characteristics

Attribute	Big Finner	Chestnut-backed Antbird
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-backed Antbird

Habitat

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

Range

Distributed across Colombia and 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.

Chestnut-backed Antbird

The Chestnut-backed Antbird (Myrmeciza exsul) is a species in the genus Myrmeciza. 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 2 countries:

🇨🇴 Colombia 🇪🇨 Ecuador