Finnwal vs Neotropical otter

Balaenoptera physalus compared with Lontra longicaudis

Key Differences

• Finnwal is Endangered while Neotropical otter is Data Deficient.

Taxonomic Classification

Rank	Finnwal	Neotropical otter
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Mammalia (Säugetiere)	Mammalia (Säugetiere)
Order	Cetacea (Whales & Dolphins)	Carnivora (Raubtiere)
Family	Balaenopteridae (Rorquals)	Mustelidae (Weasels & Otters)
Genus	Balaenoptera (Rorquals)	Lontra
Species	Balaenoptera physalus	Lontra longicaudis

Evolutionary Relationship

Finnwal and Neotropical otter share a common ancestor at the Class level: Mammalia. (Säugetiere)

Conservation Status

Finnwal

EN — Endangered

Neotropical otter

DD — Data Deficient

Physical Characteristics

Attribute	Finnwal	Neotropical otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Finnwal

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.

Neotropical otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Finnwal

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 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela