Indian Ocean humpback dolphin vs northern night monkey

Sousa plumbea compared with Aotus trivirgatus

Key Differences

• Indian Ocean humpback dolphin is Endangered while northern night monkey is Least Concern.

Taxonomic Classification

Rank	Indian Ocean humpback dolphin	northern night monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Cetacea (Whales & Dolphins)	Primates (Primates)
Family	Delphinidae (Oceanic Dolphins)	Aotidae
Genus	Sousa	Aotus
Species	Sousa plumbea	Aotus trivirgatus

Evolutionary Relationship

Indian Ocean humpback dolphin and northern night monkey share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Indian Ocean humpback dolphin

EN — Endangered

northern night monkey

LC — Least Concern

Physical Characteristics

Attribute	Indian Ocean humpback dolphin	northern night monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Indian Ocean humpback dolphin

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Greece. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

northern night monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.