Barred Antthrush vs Big Finner

Chamaeza mollissima compared with Balaenoptera physalus

Key Differences

• Barred Antthrush is Least Concern while Big Finner is Endangered.

Taxonomic Classification

Rank	Barred Antthrush	Big Finner
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class	Aves (طيور)	Mammalia (ثدييات)
Order	Passeriformes (جواثم)	Cetacea (Whales & Dolphins)
Family	Formicariidae	Balaenopteridae (Rorquals)
Genus	Chamaeza	Balaenoptera (Rorquals)
Species	Chamaeza mollissima	Balaenoptera physalus

Evolutionary Relationship

Barred Antthrush and Big Finner share a common ancestor at the Phylum level: Chordata. (حبليات)

Conservation Status

Barred Antthrush

LC — Least Concern

Big Finner

EN — Endangered

Physical Characteristics

Attribute	Barred Antthrush	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Barred Antthrush

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.

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.

Barred Antthrush

The Barred Antthrush (Chamaeza mollissima) is a species in the genus Chamaeza. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

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 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway