Gray-bellied Night Monkey vs Ontong Java Flying Fox

Aotus lemurinus compared with Pteropus howensis

Key Differences

• Gray-bellied Night Monkey is Vulnerable while Ontong Java Flying Fox is Critically Endangered.

Taxonomic Classification

Rank	Gray-bellied Night Monkey	Ontong Java Flying Fox
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order	Primates (サル目)	Chiroptera (翼手目)
Family	Aotidae	Pteropodidae (Fruit Bats)
Genus	Aotus	Pteropus (Flying Foxes)
Species	Aotus lemurinus	Pteropus howensis

Evolutionary Relationship

Gray-bellied Night Monkey and Ontong Java Flying Fox share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

Gray-bellied Night Monkey

VU — Vulnerable

Ontong Java Flying Fox

CR — Critically Endangered

Physical Characteristics

Attribute	Gray-bellied Night Monkey	Ontong Java Flying Fox
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.

Ontong Java Flying Fox

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.