Bolivian red howler vs Dils’ Grayling

Alouatta sara compared with Pseudochazara orestes

Key Differences

• Bolivian red howler is Near Threatened while Dils’ Grayling is Vulnerable.

Taxonomic Classification

Rank	Bolivian red howler	Dils’ Grayling
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Primates (Primates)	Lepidoptera (Butterflies & Moths)
Family	Atelidae	Nymphalidae (Brush-footed Butterflies)
Genus	Alouatta	Pseudochazara
Species	Alouatta sara	Pseudochazara orestes

Evolutionary Relationship

Bolivian red howler and Dils’ Grayling share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bolivian red howler

NT — Near Threatened

Dils’ Grayling

VU — Vulnerable

Physical Characteristics

Attribute	Bolivian red howler	Dils’ Grayling
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bolivian red howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Dils’ Grayling

Habitat

Inhabits Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Bulgaria and Greece. 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.