Black Howler Monkey vs Guam Rail

Alouatta pigra compared with Gallirallus owstoni

Key Differences

• Black Howler Monkey is Endangered while Guam Rail is Not Evaluated.

Taxonomic Classification

Rank	Black Howler Monkey	Guam Rail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Gruiformes (Gruiformes)
Family	Atelidae	Rallidae
Genus	Alouatta	Gallirallus
Species	Alouatta pigra	Gallirallus owstoni

Evolutionary Relationship

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

Conservation Status

Black Howler Monkey

EN — Endangered

Guam Rail

NE — Not Evaluated

Physical Characteristics

Attribute	Black Howler Monkey	Guam Rail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Howler Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Guam Rail

Habitat

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

Range

Found in Norway.

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.