Amazon Black Howler vs roker

Alouatta nigerrima compared with Raja clavata

Key Differences

• Amazon Black Howler is Least Concern while roker is Near Threatened.

Taxonomic Classification

Rank	Amazon Black Howler	roker
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Primates (Primates)	Rajiformes (Rajiformes)
Family	Atelidae	Rajidae
Genus	Alouatta	Raja
Species	Alouatta nigerrima	Raja clavata

Evolutionary Relationship

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

Conservation Status

Amazon Black Howler

LC — Least Concern

roker

NT — Near Threatened

Physical Characteristics

Attribute	Amazon Black Howler	roker
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

roker

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden. 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.