Amazon river frog vs Big Finner

Lithobates palmipes compared with Balaenoptera physalus

Key Differences

• Amazon river frog is Least Concern while Big Finner is Endangered.

Taxonomic Classification

Rank	Amazon river frog	Big Finner
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Mammalia (Mammals)
Order	Anura (Frogs & Toads)	Cetacea (Whales & Dolphins)
Family	Ranidae	Balaenopteridae (Rorquals)
Genus	Lithobates	Balaenoptera (Rorquals)
Species	Lithobates palmipes	Balaenoptera physalus

Evolutionary Relationship

Amazon river frog and Big Finner share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazon river frog

LC — Least Concern

Big Finner

EN — Endangered

Physical Characteristics

Attribute	Amazon river frog	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon river frog

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found in 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.

Amazon river frog

The Amazon river frog (Lithobates palmipes) is a species in the genus Lithobates. It is currently classified as Least Concern on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.

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 1 countries:

🇻🇪 Venezuela