Amazon Black Howler vs Slaty Spinetail

Alouatta nigerrima compared with Synallaxis brachyura

Taxonomic Classification

Rank	Amazon Black Howler	Slaty Spinetail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Passeriformes (Songbirds)
Family	Atelidae	Furnariidae
Genus	Alouatta	Synallaxis
Species	Alouatta nigerrima	Synallaxis brachyura

Evolutionary Relationship

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

Conservation Status

Amazon Black Howler

LC — Least Concern

Slaty Spinetail

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Slaty Spinetail

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.

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.

Slaty Spinetail

Slaty Spinetail (Synallaxis brachyura) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.