Allen s Swamp Monkey vs Big Finner

Allenopithecus nigroviridis compared with Balaenoptera physalus

Key Differences

Allen s Swamp Monkey is Least Concern while Big Finner is Endangered.

Taxonomic Classification

Rank	Allen s Swamp 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	Cercopithecidae (Old World Monkeys)	Balaenopteridae (Rorquals)
Genus	Allenopithecus	Balaenoptera (Rorquals)
Species	Allenopithecus nigroviridis	Balaenoptera physalus

Evolutionary Relationship

Allen s Swamp Monkey and Big Finner share a common ancestor at the Class level: Mammalia. (Mammals)

View Class: Mammalia

Conservation Status

Allen s Swamp Monkey

LC — Least Concern

Big Finner

EN — Endangered

Physical Characteristics

Attribute	Allen s Swamp Monkey	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen s Swamp 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.

Allen s Swamp Monkey

The Allen s Swamp Monkey (Allenopithecus nigroviridis) is a species in the genus Allenopithecus. 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.