Black Howler Monkey vs Gray Petrel

Alouatta pigra compared with Procellaria cinerea

Key Differences

• Black Howler Monkey is Endangered while Gray Petrel is Near Threatened.

Taxonomic Classification

Rank	Black Howler Monkey	Gray Petrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Procellariiformes (Procellariiformes)
Family	Atelidae	Procellariidae
Genus	Alouatta	Procellaria
Species	Alouatta pigra	Procellaria cinerea

Evolutionary Relationship

Black Howler Monkey and Gray Petrel share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black Howler Monkey

EN — Endangered

Gray Petrel

NT — Near Threatened

Physical Characteristics

Attribute	Black Howler Monkey	Gray Petrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Howler Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Gray Petrel

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway. 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.