Beautiful Groundling vs Black-headed Night Monkey

Caryocolum marmorea compared with Aotus nigriceps

Key Differences

• Beautiful Groundling is Endangered while Black-headed Night Monkey is Least Concern.

Taxonomic Classification

Rank	Beautiful Groundling	Black-headed Night Monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Primates (Primates)
Family	Gelechiidae	Aotidae
Genus	Caryocolum	Aotus
Species	Caryocolum marmorea	Aotus nigriceps

Evolutionary Relationship

Beautiful Groundling and Black-headed Night Monkey share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Beautiful Groundling

EN — Endangered

Black-headed Night Monkey

LC — Least Concern

Physical Characteristics

Attribute	Beautiful Groundling	Black-headed Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Beautiful Groundling

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Beautiful Groundling

The Beautiful Groundling (Caryocolum marmorea) is a species in the genus Caryocolum. It is currently classified as Endangered on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Black-headed Night Monkey

The Black-headed Night Monkey (Aotus nigriceps) 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.