Black Howler Monkey vs Blackish Rail

Alouatta pigra compared with Pardirallus nigricans

Key Differences

• Black Howler Monkey is Endangered while Blackish Rail is Least Concern.

Taxonomic Classification

Rank	Black Howler Monkey	Blackish 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	Pardirallus
Species	Alouatta pigra	Pardirallus nigricans

Evolutionary Relationship

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

Conservation Status

Black Howler Monkey

EN — Endangered

Blackish Rail

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Black Howler Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Blackish Rail

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

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.

Blackish Rail

The Blackish Rail (Pardirallus nigricans) is a species in the genus Pardirallus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.