Amazon Black Howler vs Smith's Thorius

Alouatta nigerrima compared with Thorius smithi

Key Differences

• Amazon Black Howler is Least Concern while Smith's Thorius is Critically Endangered.

Taxonomic Classification

Rank	Amazon Black Howler	Smith's Thorius
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	Thorius
Species	Alouatta nigerrima	Thorius smithi

Evolutionary Relationship

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

Conservation Status

Amazon Black Howler

LC — Least Concern

Smith's Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Amazon Black Howler	Smith's Thorius
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Smith's Thorius

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.