Bolivian red howler vs Ruff

Alouatta sara compared with Calidris pugnax

Key Differences

• Bolivian red howler is Near Threatened while Ruff is Least Concern.

Taxonomic Classification

Rank	Bolivian red howler	Ruff
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Charadriiformes (Charadriiformes)
Family	Atelidae	Scolopacidae
Genus	Alouatta	Calidris
Species	Alouatta sara	Calidris pugnax

Evolutionary Relationship

Bolivian red howler and Ruff share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bolivian red howler

NT — Near Threatened

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Bolivian red howler	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bolivian red howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ruff

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Venezuela).

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.

Ruff

Ruff (Calidris pugnax) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.