Azara's night monkey vs Big Finner

Aotus azarae compared with Balaenoptera physalus

Key Differences

• Azara's night monkey is Least Concern while Big Finner is Endangered.

Taxonomic Classification

Rank	Azara's night monkey	Big Finner
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Cetacea (Whales & Dolphins)
Family	Aotidae	Balaenopteridae (Rorquals)
Genus	Aotus	Balaenoptera (Rorquals)
Species	Aotus azarae	Balaenoptera physalus

Evolutionary Relationship

Azara's night monkey and Big Finner share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Azara's night monkey

LC — Least Concern

Big Finner

EN — Endangered

Physical Characteristics

Attribute	Azara's night monkey	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Azara's night monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Azara's night monkey

The Azara's night monkey (Aotus azarae) is a species in the genus Aotus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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.