Amazon Black Howler vs Stuart's Robber Frog

Alouatta nigerrima compared with Craugastor stuarti

Key Differences

• Amazon Black Howler is Least Concern while Stuart's Robber Frog is Vulnerable.

Taxonomic Classification

Rank	Amazon Black Howler	Stuart's 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	Craugastor
Species	Alouatta nigerrima	Craugastor stuarti

Evolutionary Relationship

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

Conservation Status

Amazon Black Howler

LC — Least Concern

Stuart's Robber Frog

VU — Vulnerable

Physical Characteristics

Attribute	Amazon Black Howler	Stuart's Robber Frog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Stuart's Robber Frog

Habitat

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

Range

Found in Mexico. Currently classified as Vulnerable 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.