Black Howler Monkey vs River Tern

Alouatta pigra compared with Sterna aurantia

Key Differences

• Black Howler Monkey is Endangered while River Tern is Vulnerable.

Taxonomic Classification

Rank	Black Howler Monkey	River Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Charadriiformes (Charadriiformes)
Family	Atelidae	Laridae
Genus	Alouatta	Sterna
Species	Alouatta pigra	Sterna aurantia

Evolutionary Relationship

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

Conservation Status

Black Howler Monkey

EN — Endangered

River Tern

VU — Vulnerable

Physical Characteristics

Attribute	Black Howler Monkey	River Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Howler Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

River Tern

Habitat

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

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.