Amazon Black Howler vs Sailray

Alouatta nigerrima compared with Rajella lintea

Key Differences

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

Taxonomic Classification

Rank	Amazon Black Howler	Sailray
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	Rajella
Species	Alouatta nigerrima	Rajella lintea

Evolutionary Relationship

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

Conservation Status

Amazon Black Howler

LC — Least Concern

Sailray

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Sailray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, 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.