Amazonian manatee vs Big Finner

Trichechus inunguis compared with Balaenoptera physalus

Key Differences

• Amazonian manatee is Vulnerable while Big Finner is Endangered.

Taxonomic Classification

Rank	Amazonian manatee	Big Finner
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Sirenia (Sirenia)	Cetacea (Whales & Dolphins)
Family	Trichechidae	Balaenopteridae (Rorquals)
Genus	Trichechus	Balaenoptera (Rorquals)
Species	Trichechus inunguis	Balaenoptera physalus

Evolutionary Relationship

Amazonian manatee and Big Finner share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Amazonian manatee

VU — Vulnerable

Big Finner

EN — Endangered

Physical Characteristics

Attribute	Amazonian manatee	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazonian manatee

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its 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.

Amazonian manatee

The Amazonian manatee (Trichechus inunguis) is a species in the genus Trichechus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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 2 countries:

🇨🇴 Colombia 🇪🇨 Ecuador