Amazon Black Howler vs Green-eyed Hooktail

Alouatta nigerrima compared with Onychogomphus forcipatus

Key Differences

• Amazon Black Howler is Least Concern while Green-eyed Hooktail is Near Threatened.

Taxonomic Classification

Rank	Amazon Black Howler	Green-eyed Hooktail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Primates (Primates)	Odonata (Odonata)
Family	Atelidae	Gomphidae
Genus	Alouatta	Onychogomphus
Species	Alouatta nigerrima	Onychogomphus forcipatus

Evolutionary Relationship

Amazon Black Howler and Green-eyed Hooktail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Amazon Black Howler

LC — Least Concern

Green-eyed Hooktail

NT — Near Threatened

Physical Characteristics

Attribute	Amazon Black Howler	Green-eyed Hooktail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Green-eyed Hooktail

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, 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.