Big Finner vs Mountain Serpent Eagle

Balaenoptera physalus compared with Spilornis kinabaluensis

Key Differences

Big Finner is Endangered while Mountain Serpent Eagle is Near Threatened.

Taxonomic Classification

Rank	Big Finner	Mountain Serpent Eagle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Accipitriformes (Hawks & Eagles)
Family	Balaenopteridae (Rorquals)	Accipitridae (Hawks & Eagles)
Genus	Balaenoptera (Rorquals)	Spilornis
Species	Balaenoptera physalus	Spilornis kinabaluensis

Evolutionary Relationship

Big Finner and Mountain Serpent Eagle share a common ancestor at the Phylum level: Chordata. (Chordates)

View Phylum: Chordata

Conservation Status

Big Finner

EN — Endangered

Mountain Serpent Eagle

NT — Near Threatened

Physical Characteristics

Attribute	Big Finner	Mountain Serpent Eagle
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.

Mountain Serpent Eagle

Habitat

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

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.