Amazon Black Howler vs Base-lined Grey

Alouatta nigerrima compared with Scoparia basistrigalis

Key Differences

• Amazon Black Howler is Least Concern while Base-lined Grey is Near Threatened.

Taxonomic Classification

Rank	Amazon Black Howler	Base-lined Grey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Primates (Primates)	Lepidoptera (Butterflies & Moths)
Family	Atelidae	Crambidae
Genus	Alouatta	Scoparia
Species	Alouatta nigerrima	Scoparia basistrigalis

Evolutionary Relationship

Amazon Black Howler and Base-lined Grey share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Amazon Black Howler

LC — Least Concern

Base-lined Grey

NT — Near Threatened

Physical Characteristics

Attribute	Amazon Black Howler	Base-lined Grey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Base-lined Grey

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Base-lined Grey

The Base-lined Grey (Scoparia basistrigalis) is a species in the genus Scoparia. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.