Amazon Black Howler vs Jahn's Stream Frog

Alouatta nigerrima compared with Hyloscirtus jahni

Key Differences

• Amazon Black Howler is Least Concern while Jahn's Stream Frog is Vulnerable.

Taxonomic Classification

Rank	Amazon Black Howler	Jahn's Stream 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	Hylidae
Genus	Alouatta	Hyloscirtus
Species	Alouatta nigerrima	Hyloscirtus jahni

Evolutionary Relationship

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

Conservation Status

Amazon Black Howler

LC — Least Concern

Jahn's Stream Frog

VU — Vulnerable

Physical Characteristics

Attribute	Amazon Black Howler	Jahn's Stream Frog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Jahn's Stream Frog

Habitat

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

Range

Found in Venezuela. 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.