Black-headed Night Monkey vs Napo Spiny-rat

Aotus nigriceps compared with Proechimys quadruplicatus

Taxonomic Classification

Rank	Black-headed Night Monkey	Napo Spiny-rat
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Primates (อันดับวานร)	Rodentia (อันดับสัตว์ฟันแทะ)
Family	Aotidae	Echimyidae
Genus	Aotus	Proechimys
Species	Aotus nigriceps	Proechimys quadruplicatus

Evolutionary Relationship

Black-headed Night Monkey and Napo Spiny-rat share a common ancestor at the Class level: Mammalia. (สัตว์เลี้ยงลูกด้วยน้ำนม)

Conservation Status

Black-headed Night Monkey

LC — Least Concern

Napo Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Black-headed Night Monkey	Napo Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

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.