Common Cuckoo vs Gray-bellied Night Monkey

Cuculus canorus compared with Aotus lemurinus

Key Differences

• Common Cuckoo is Near Threatened while Gray-bellied Night Monkey is Vulnerable.

Taxonomic Classification

Rank	Common Cuckoo	Gray-bellied Night Monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Cuculiformes (Cuculiformes)	Primates (Primates)
Family	Cuculidae	Aotidae
Genus	Cuculus	Aotus
Species	Cuculus canorus	Aotus lemurinus

Evolutionary Relationship

Common Cuckoo and Gray-bellied Night Monkey share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Common Cuckoo

NT — Near Threatened

Gray-bellied Night Monkey

VU — Vulnerable

Physical Characteristics

Attribute	Common Cuckoo	Gray-bellied Night Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Cuckoo

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (6 countries). 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.

Common Cuckoo

Common Cuckoo (Cuculus canorus) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.