Amazon Black Howler vs White-shouldered Ibis

Alouatta nigerrima compared with Pseudibis davisoni

Key Differences

• Amazon Black Howler is Least Concern while White-shouldered Ibis is Critically Endangered.

Taxonomic Classification

Rank	Amazon Black Howler	White-shouldered Ibis
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Pelecaniformes (Pelecaniformes)
Family	Atelidae	Threskiornithidae
Genus	Alouatta	Pseudibis
Species	Alouatta nigerrima	Pseudibis davisoni

Evolutionary Relationship

Amazon Black Howler and White-shouldered Ibis share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazon Black Howler

LC — Least Concern

White-shouldered Ibis

CR — Critically Endangered

Physical Characteristics

Attribute	Amazon Black Howler	White-shouldered Ibis
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

White-shouldered Ibis

Habitat

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

Range

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

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.