Amazon Black Howler vs Spinetail ray

Alouatta nigerrima compared with Bathyraja spinicauda

Key Differences

• Amazon Black Howler is Least Concern while Spinetail ray is Near Threatened.

Taxonomic Classification

Rank	Amazon Black Howler	Spinetail ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Primates (Primates)	Rajiformes (Rajiformes)
Family	Atelidae	Arhynchobatidae
Genus	Alouatta	Bathyraja
Species	Alouatta nigerrima	Bathyraja spinicauda

Evolutionary Relationship

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

Conservation Status

Amazon Black Howler

LC — Least Concern

Spinetail ray

NT — Near Threatened

Physical Characteristics

Attribute	Amazon Black Howler	Spinetail ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Spinetail ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

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.