Barred Forest-Falcon vs Big Finner

Micrastur ruficollis compared with Balaenoptera physalus

Key Differences

• Barred Forest-Falcon is Least Concern while Big Finner is Endangered.

Taxonomic Classification

Rank	Barred Forest-Falcon	Big Finner
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Falconiformes (Falconiformes)	Cetacea (Whales & Dolphins)
Family	Falconidae	Balaenopteridae (Rorquals)
Genus	Micrastur	Balaenoptera (Rorquals)
Species	Micrastur ruficollis	Balaenoptera physalus

Evolutionary Relationship

Barred Forest-Falcon and Big Finner share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Barred Forest-Falcon

LC — Least Concern

Big Finner

EN — Endangered

Physical Characteristics

Attribute	Barred Forest-Falcon	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Barred Forest-Falcon

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

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 Forest-Falcon

Barred Forest-Falcon (Micrastur ruficollis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

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 4 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway 🇻🇪 Venezuela