Amazon Black Howler vs Large-crested Toad

Alouatta nigerrima compared with Incilius cristatus

Key Differences

• Amazon Black Howler is Least Concern while Large-crested Toad is Endangered.

Taxonomic Classification

Rank	Amazon Black Howler	Large-crested Toad
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	Bufonidae
Genus	Alouatta	Incilius
Species	Alouatta nigerrima	Incilius cristatus

Evolutionary Relationship

Amazon Black Howler and Large-crested Toad share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazon Black Howler

LC — Least Concern

Large-crested Toad

EN — Endangered

Physical Characteristics

Attribute	Amazon Black Howler	Large-crested Toad
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Large-crested Toad

Habitat

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

Range

Found in Mexico. Currently classified as 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.