Amazon Black Howler vs Calao d'Austen

Alouatta nigerrima compared with Anorrhinus austeni

Key Differences

• Amazon Black Howler is Least Concern while Calao d'Austen is Near Threatened.

Taxonomic Classification

Rank	Amazon Black Howler	Calao d'Austen
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (mammifères)	Aves (oiseau)
Order	Primates (Primates)	Bucerotiformes (Bucerotiformes)
Family	Atelidae	Bucerotidae
Genus	Alouatta	Anorrhinus
Species	Alouatta nigerrima	Anorrhinus austeni

Evolutionary Relationship

Amazon Black Howler and Calao d'Austen share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazon Black Howler

LC — Least Concern

Calao d'Austen

NT — Near Threatened

Physical Characteristics

Attribute	Amazon Black Howler	Calao d'Austen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Calao d'Austen

Habitat

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

Range

Found in Norway. 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.

Calao d'Austen

The Brown Hornbill (Anorrhinus austeni) is a species in the genus Anorrhinus. It is currently classified as Near Threatened on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.