Black-headed Night Monkey vs Ecuadorian Sac-winged Bat

Aotus nigriceps compared with Balantiopteryx infusca

Key Differences

• Black-headed Night Monkey is Least Concern while Ecuadorian Sac-winged Bat is Endangered.

Taxonomic Classification

Rank	Black-headed Night Monkey	Ecuadorian Sac-winged Bat
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mammifères)	Mammalia (mammifères)
Order	Primates (Primates)	Chiroptera (Bats)
Family	Aotidae	Emballonuridae
Genus	Aotus	Balantiopteryx
Species	Aotus nigriceps	Balantiopteryx infusca

Evolutionary Relationship

Black-headed Night Monkey and Ecuadorian Sac-winged Bat share a common ancestor at the Class level: Mammalia. (mammifères)

Conservation Status

Black-headed Night Monkey

LC — Least Concern

Ecuadorian Sac-winged Bat

EN — Endangered

Physical Characteristics

Attribute	Black-headed Night Monkey	Ecuadorian Sac-winged Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ecuadorian Sac-winged Bat

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

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

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.