Big Finner vs Hallowell’s Tree Frog

Balaenoptera physalus compared with Hyla hallowellii

Key Differences

• Big Finner is Endangered while Hallowell’s Tree Frog is Least Concern.

Taxonomic Classification

Rank	Big Finner	Hallowell’s Tree Frog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Cetacea (Whales & Dolphins)	Anura (Frogs & Toads)
Family	Balaenopteridae (Rorquals)	Hylidae
Genus	Balaenoptera (Rorquals)	Hyla
Species	Balaenoptera physalus	Hyla hallowellii

Evolutionary Relationship

Big Finner and Hallowell’s Tree Frog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big Finner

EN — Endangered

Hallowell’s Tree Frog

LC — Least Concern

Physical Characteristics

Attribute	Big Finner	Hallowell’s Tree Frog
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.

Hallowell’s Tree Frog

Habitat

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.