Bolivian red howler vs Triangle-marked Roller

Alouatta sara compared with Ancylis achatana

Key Differences

• Bolivian red howler is Near Threatened while Triangle-marked Roller is Vulnerable.

Taxonomic Classification

Rank	Bolivian red howler	Triangle-marked Roller
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Primates (Primates)	Lepidoptera (Butterflies & Moths)
Family	Atelidae	Tortricidae
Genus	Alouatta	Ancylis
Species	Alouatta sara	Ancylis achatana

Evolutionary Relationship

Bolivian red howler and Triangle-marked Roller share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bolivian red howler

NT — Near Threatened

Triangle-marked Roller

VU — Vulnerable

Physical Characteristics

Attribute	Bolivian red howler	Triangle-marked Roller
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bolivian red howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Triangle-marked Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Bolivian red howler

The Bolivian red howler (Alouatta sara) is a species in the genus Alouatta. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.