Amazon Black Howler vs Olive-headed Weaver

Alouatta nigerrima compared with Ploceus olivaceiceps

Key Differences

• Amazon Black Howler is Least Concern while Olive-headed Weaver is Near Threatened.

Taxonomic Classification

Rank	Amazon Black Howler	Olive-headed Weaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Passeriformes (Songbirds)
Family	Atelidae	Ploceidae
Genus	Alouatta	Ploceus
Species	Alouatta nigerrima	Ploceus olivaceiceps

Evolutionary Relationship

Amazon Black Howler and Olive-headed Weaver share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazon Black Howler

LC — Least Concern

Olive-headed Weaver

NT — Near Threatened

Physical Characteristics

Attribute	Amazon Black Howler	Olive-headed Weaver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Olive-headed Weaver

Habitat

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

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.