Black Howler Monkey vs Green-eyed Hooktail

Alouatta pigra compared with Onychogomphus forcipatus

Key Differences

• Black Howler Monkey is Endangered while Green-eyed Hooktail is Near Threatened.

Taxonomic Classification

Rank	Black Howler Monkey	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 pigra	Onychogomphus forcipatus

Evolutionary Relationship

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

Conservation Status

Black Howler Monkey

EN — Endangered

Green-eyed Hooktail

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

Black Howler Monkey

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.

Black Howler Monkey

The Black Howler Monkey (Alouatta pigra) is a species in the genus Alouatta. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.