Amazon Black Howler vs Rana-de Arbol Acuática

Alouatta nigerrima compared with Sarcohyla crassa

Key Differences

• Amazon Black Howler is Least Concern while Rana-de Arbol Acuática is Critically Endangered.

Taxonomic Classification

Rank	Amazon Black Howler	Rana-de Arbol Acuática
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Amphibia (Amphibians)
Order	Primates (Primates)	Anura (Frogs & Toads)
Family	Atelidae	Hylidae
Genus	Alouatta	Sarcohyla
Species	Alouatta nigerrima	Sarcohyla crassa

Evolutionary Relationship

Amazon Black Howler and Rana-de Arbol Acuática share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Amazon Black Howler

LC — Least Concern

Rana-de Arbol Acuática

CR — Critically Endangered

Physical Characteristics

Attribute	Amazon Black Howler	Rana-de Arbol Acuática
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Rana-de Arbol Acuática

Habitat

Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

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.

Rana-de Arbol Acuática

The Aquatic Treefrog (Sarcohyla crassa) is a species in the genus Sarcohyla. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neo.