Amazon Black Howler vs Square-spot Bell

Alouatta nigerrima compared with Notocelia tetragonana

Key Differences

• Amazon Black Howler is Least Concern while Square-spot Bell is Vulnerable.

Taxonomic Classification

Rank	Amazon Black Howler	Square-spot Bell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Primates (Primates)	Lepidoptera (Butterflies & Moths)
Family	Atelidae	Tortricidae
Genus	Alouatta	Notocelia
Species	Alouatta nigerrima	Notocelia tetragonana

Evolutionary Relationship

Amazon Black Howler and Square-spot Bell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Amazon Black Howler

LC — Least Concern

Square-spot Bell

VU — Vulnerable

Physical Characteristics

Attribute	Amazon Black Howler	Square-spot Bell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Square-spot Bell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Norway, and Sweden. Currently classified as Vulnerable 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.