Black-headed Night Monkey vs Red-faced Spinetail

Aotus nigriceps compared with Cranioleuca erythrops

Taxonomic Classification

Rank	Black-headed Night Monkey	Red-faced Spinetail
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Aves (นก)
Order	Primates (อันดับวานร)	Passeriformes (นกเกาะคอน)
Family	Aotidae	Furnariidae
Genus	Aotus	Cranioleuca
Species	Aotus nigriceps	Cranioleuca erythrops

Evolutionary Relationship

Black-headed Night Monkey and Red-faced Spinetail share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Black-headed Night Monkey

LC — Least Concern

Red-faced Spinetail

LC — Least Concern

Physical Characteristics

Attribute	Black-headed Night Monkey	Red-faced Spinetail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Red-faced Spinetail

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.

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.

Red-faced Spinetail

Red-faced Spinetail (Cranioleuca erythrops) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.