Cuatro Ojos vs Pinzón Arbóreo Mediano, Pinzón de Árbol Mediano

Aotus nigriceps compared with Camarhynchus pauper

Key Differences

• Cuatro Ojos is Least Concern while Pinzón Arbóreo Mediano, Pinzón de Árbol Mediano is Critically Endangered.

Taxonomic Classification

Rank	Cuatro Ojos	Pinzón Arbóreo Mediano, Pinzón de Árbol Mediano
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Aves (Birds)
Order	Primates (Primates)	Passeriformes (paseriformes)
Family	Aotidae	Thraupidae
Genus	Aotus	Camarhynchus
Species	Aotus nigriceps	Camarhynchus pauper

Evolutionary Relationship

Cuatro Ojos and Pinzón Arbóreo Mediano, Pinzón de Árbol Mediano share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Cuatro Ojos

LC — Least Concern

Pinzón Arbóreo Mediano, Pinzón de Árbol Mediano

CR — Critically Endangered

Physical Characteristics

Attribute	Cuatro Ojos	Pinzón Arbóreo Mediano, Pinzón de Árbol Mediano
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cuatro Ojos

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Pinzón Arbóreo Mediano, Pinzón de Árbol Mediano

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

Cuatro Ojos

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.