Amazon Black Howler vs Giant Otter

Alouatta nigerrima compared with Pteronura brasiliensis

Key Differences

• Amazon Black Howler is Least Concern while Giant Otter is Endangered.

Taxonomic Classification

Rank	Amazon Black Howler	Giant Otter
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order	Primates (サル目)	Carnivora (ネコ目)
Family	Atelidae	Mustelidae (Weasels & Otters)
Genus	Alouatta	Pteronura
Species	Alouatta nigerrima	Pteronura brasiliensis

Evolutionary Relationship

Amazon Black Howler and Giant Otter share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

Amazon Black Howler

LC — Least Concern

Giant Otter

EN — Endangered

Physical Characteristics

Attribute	Amazon Black Howler	Giant Otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Giant Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela. 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.