Black-headed Night Monkey vs Merida’s Collared Frog

Aotus nigriceps compared with Mannophryne collaris

Key Differences

• Black-headed Night Monkey is Least Concern while Merida’s Collared Frog is Endangered.

Taxonomic Classification

Rank	Black-headed Night Monkey	Merida’s Collared Frog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Primates (Primates)	Anura (Frogs & Toads)
Family	Aotidae	Aromobatidae
Genus	Aotus	Mannophryne
Species	Aotus nigriceps	Mannophryne collaris

Evolutionary Relationship

Black-headed Night Monkey and Merida’s Collared Frog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-headed Night Monkey

LC — Least Concern

Merida’s Collared Frog

EN — Endangered

Physical Characteristics

Attribute	Black-headed Night Monkey	Merida’s Collared Frog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Merida’s Collared Frog

Habitat

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

Range

Found in Venezuela. 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.