Amazon Black Howler vs Chatham Petrel

Alouatta nigerrima compared with Pterodroma axillaris

Key Differences

• Amazon Black Howler is Least Concern while Chatham Petrel is Vulnerable.

Taxonomic Classification

Rank	Amazon Black Howler	Chatham Petrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Procellariiformes (Procellariiformes)
Family	Atelidae	Procellariidae
Genus	Alouatta	Pterodroma
Species	Alouatta nigerrima	Pterodroma axillaris

Evolutionary Relationship

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

Conservation Status

Amazon Black Howler

LC — Least Concern

Chatham Petrel

VU — Vulnerable

Physical Characteristics

Attribute	Amazon Black Howler	Chatham Petrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Chatham Petrel

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.

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.

Chatham Petrel

The Chatham Petrel (Pterodroma axillaris) is a species in the genus Pterodroma. It is currently classified as Vulnerable on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.