Amazon Black Howler vs Los Patos Robber Frog

Alouatta nigerrima compared with Pristimantis scoloblepharus

Key Differences

• Amazon Black Howler is Least Concern while Los Patos Robber Frog is Endangered.

Taxonomic Classification

Rank	Amazon Black Howler	Los Patos Robber 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	Atelidae	Craugastoridae
Genus	Alouatta	Pristimantis
Species	Alouatta nigerrima	Pristimantis scoloblepharus

Evolutionary Relationship

Amazon Black Howler and Los Patos Robber Frog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazon Black Howler

LC — Least Concern

Los Patos Robber Frog

EN — Endangered

Physical Characteristics

Attribute	Amazon Black Howler	Los Patos Robber Frog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Los Patos Robber Frog

Habitat

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

Range

Found in Colombia. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Amazon Black Howler

The Amazon Black Howler (Alouatta nigerrima) is a species in the genus Alouatta. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.