Amazon Black Howler vs Black-headed Ibis

Alouatta nigerrima compared with Threskiornis melanocephalus

Key Differences

• Amazon Black Howler is Least Concern while Black-headed Ibis is Near Threatened.

Taxonomic Classification

Rank	Amazon Black Howler	Black-headed 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	Threskiornis
Species	Alouatta nigerrima	Threskiornis melanocephalus

Evolutionary Relationship

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

Conservation Status

Amazon Black Howler

LC — Least Concern

Black-headed Ibis

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Black-headed Ibis

Habitat

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

Range

Found across Asia (Taiwan) and Europe (5 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Black-headed Ibis

The Black-headed Ibis (Threskiornis melanocephalus) is a species in the genus Threskiornis. It is currently classified as Near Threatened on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.