Amazon Black Howler vs Rivulet Rainfrog

Alouatta nigerrima compared with Craugastor amniscola

Key Differences

• Amazon Black Howler is Least Concern while Rivulet Rainfrog is Vulnerable.

Taxonomic Classification

Rank	Amazon Black Howler	Rivulet Rainfrog
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 amniscola

Evolutionary Relationship

Amazon Black Howler and Rivulet Rainfrog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazon Black Howler

LC — Least Concern

Rivulet Rainfrog

VU — Vulnerable

Physical Characteristics

Attribute	Amazon Black Howler	Rivulet Rainfrog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Rivulet Rainfrog

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.