Black Howler Monkey vs Styan's Bulbul

Alouatta pigra compared with Pycnonotus taivanus

Key Differences

• Black Howler Monkey is Endangered while Styan's Bulbul is Vulnerable.

Taxonomic Classification

Rank	Black Howler Monkey	Styan's Bulbul
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Passeriformes (Songbirds)
Family	Atelidae	Pycnonotidae
Genus	Alouatta	Pycnonotus
Species	Alouatta pigra	Pycnonotus taivanus

Evolutionary Relationship

Black Howler Monkey and Styan's Bulbul share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black Howler Monkey

EN — Endangered

Styan's Bulbul

VU — Vulnerable

Physical Characteristics

Attribute	Black Howler Monkey	Styan's Bulbul
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Howler Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Styan's Bulbul

Habitat

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

Range

Distributed across Norway and Taiwan. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Black Howler Monkey

The Black Howler Monkey (Alouatta pigra) is a species in the genus Alouatta. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.