Amazon Black Howler vs Least Tern

Alouatta nigerrima compared with Sternula antillarum

Taxonomic Classification

Rank	Amazon Black Howler	Least 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	Sternula
Species	Alouatta nigerrima	Sternula antillarum

Evolutionary Relationship

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

Conservation Status

Amazon Black Howler

LC — Least Concern

Least Tern

LC — Least Concern

Physical Characteristics

Attribute	Amazon Black Howler	Least Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Least Tern

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Amazon Black Howler

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