Black-headed Night Monkey vs Spotted Thorius

Aotus nigriceps compared with Thorius spilogaster

Key Differences

• Black-headed Night Monkey is Least Concern while Spotted Thorius is Critically Endangered.

Taxonomic Classification

Rank	Black-headed Night Monkey	Spotted Thorius
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Amphibia (สัตว์สะเทินน้ำสะเทินบก)
Order	Primates (อันดับวานร)	Caudata (ซาลาแมนเดอร์)
Family	Aotidae	Plethodontidae
Genus	Aotus	Thorius
Species	Aotus nigriceps	Thorius spilogaster

Evolutionary Relationship

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

Conservation Status

Black-headed Night Monkey

LC — Least Concern

Spotted Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Black-headed Night Monkey	Spotted Thorius
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Spotted Thorius

Habitat

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

Range

Found in Mexico. Currently classified as Critically 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.