Fen Roller vs Gray-bellied Night Monkey

Ancylis paludana compared with Aotus lemurinus

Key Differences

• Fen Roller is Near Threatened while Gray-bellied Night Monkey is Vulnerable.

Taxonomic Classification

Rank	Fen Roller	Gray-bellied 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	Tortricidae	Aotidae
Genus	Ancylis	Aotus
Species	Ancylis paludana	Aotus lemurinus

Evolutionary Relationship

Fen Roller and Gray-bellied Night Monkey share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Fen Roller

NT — Near Threatened

Gray-bellied Night Monkey

VU — Vulnerable

Physical Characteristics

Attribute	Fen Roller	Gray-bellied Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fen Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Gray-bellied Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.