Bolivian red howler vs Gray-sided Thrush

Alouatta sara compared with Turdus feae

Key Differences

• Bolivian red howler is Near Threatened while Gray-sided Thrush is Vulnerable.

Taxonomic Classification

Rank	Bolivian red howler	Gray-sided Thrush
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Passeriformes (Songbirds)
Family	Atelidae	Turdidae
Genus	Alouatta	Turdus
Species	Alouatta sara	Turdus feae

Evolutionary Relationship

Bolivian red howler and Gray-sided Thrush share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bolivian red howler

NT — Near Threatened

Gray-sided Thrush

VU — Vulnerable

Physical Characteristics

Attribute	Bolivian red howler	Gray-sided Thrush
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bolivian red howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Gray-sided Thrush

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.

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.