Big Finner vs Serrate-legged Small Treefrog

Balaenoptera physalus compared with Kurixalus odontotarsus

Key Differences

• Big Finner is Endangered while Serrate-legged Small Treefrog is Least Concern.

Taxonomic Classification

Rank	Big Finner	Serrate-legged Small Treefrog
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)	Rhacophoridae
Genus	Balaenoptera (Rorquals)	Kurixalus
Species	Balaenoptera physalus	Kurixalus odontotarsus

Evolutionary Relationship

Big Finner and Serrate-legged Small Treefrog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big Finner

EN — Endangered

Serrate-legged Small Treefrog

LC — Least Concern

Physical Characteristics

Attribute	Big Finner	Serrate-legged Small Treefrog
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.

Serrate-legged Small Treefrog

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.