Amazon Black Howler vs Ridge Tail Salamander

Alouatta nigerrima compared with Pseudoeurycea obesa

Key Differences

• Amazon Black Howler is Least Concern while Ridge Tail Salamander is Critically Endangered.

Taxonomic Classification

Rank	Amazon Black Howler	Ridge Tail Salamander
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Primates (Primates)	Caudata (Caudata)
Family	Atelidae	Plethodontidae
Genus	Alouatta	Pseudoeurycea
Species	Alouatta nigerrima	Pseudoeurycea obesa

Evolutionary Relationship

Amazon Black Howler and Ridge Tail Salamander share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazon Black Howler

LC — Least Concern

Ridge Tail Salamander

CR — Critically Endangered

Physical Characteristics

Attribute	Amazon Black Howler	Ridge Tail Salamander
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ridge Tail Salamander

Habitat

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

Range

Found in Mexico. Currently classified as Critically 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.