Amazon Black Howler vs Fat Guam Partula

Alouatta nigerrima compared with Partula gibba

Key Differences

• Amazon Black Howler is Least Concern while Fat Guam Partula is Critically Endangered.

Taxonomic Classification

Rank	Amazon Black Howler	Fat Guam Partula
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Primates (Primates)	Stylommatophora (Stylommatophora)
Family	Atelidae	Partulidae
Genus	Alouatta	Partula
Species	Alouatta nigerrima	Partula gibba

Evolutionary Relationship

Amazon Black Howler and Fat Guam Partula share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Amazon Black Howler

LC — Least Concern

Fat Guam Partula

CR — Critically Endangered

Physical Characteristics

Attribute	Amazon Black Howler	Fat Guam Partula
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Fat Guam Partula

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Norway and United States. 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.