Gray-bellied Night Monkey vs Small-headed Treefrog

Aotus lemurinus compared with Dendropsophus microcephalus

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Small-headed Treefrog is Least Concern.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Small-headed Treefrog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Primates (Primates)	Anura (Frogs & Toads)
Family	Aotidae	Hylidae
Genus	Aotus	Dendropsophus
Species	Aotus lemurinus	Dendropsophus microcephalus

Evolutionary Relationship

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

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Small-headed Treefrog

LC — Least Concern

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Small-headed Treefrog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Small-headed Treefrog

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Distributed across Colombia, Mexico, and Venezuela.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela